21008386880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{3329}}^1$

素因数の和:3437

約数の個数: 224

約数和(自身を含む): 56697006240

約数和(自身を除く): 35688619360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 41, 52, 64, 65, 74, 80, 82, 104, 130, 148, 160, 164, 185, 205, 208, 260, 296, 320, 328, 370, 410, 416, 481, 520, 533, 592, 656, 740, 820, 832, 962, 1040, 1066, 1184, 1312, 1480, 1517, 1640, 1924, 2080, 2132, 2368, 2405, 2624, 2665, 2960, 3034, 3280, 3329, 3848, 4160, 4264, 4810, 5330, 5920, 6068, 6560, 6658, 7585, 7696, 8528, 9620, 10660, 11840, 12136, 13120, 13316, 15170, 15392, 16645, 17056, 19240, 19721, 21320, 24272, 26632, 30340, 30784, 33290, 34112, 38480, 39442, 42640, 43277, 48544, 53264, 60680, 66580, 76960, 78884, 85280, 86554, 97088, 98605, 106528, 121360, 123173, 133160, 136489, 153920, 157768, 170560, 173108, 197210, 213056, 216385, 242720, 246346, 266320, 272978, 315536, 346216, 394420, 432770, 485440, 492692, 532640, 545956, 615865, 631072, 682445, 692432, 788840, 865540, 985384, 1065280, 1091912, 1231730, 1262144, 1364890, 1384864, 1577680, 1601249, 1731080, 1774357, 1970768, 2183824, 2463460, 2729780, 2769728, 3155360, 3202498, 3462160, 3548714, 3941536, 4367648, 4926920, 5050093, 5459560, 6310720, 6404996, 6924320, 7097428, 7883072, 8006245, 8735296, 8871785, 9853840, 10100186, 10919120, 12809992, 13848640, 14194856, 16012490, 17743570, 19707680, 20200372, 21838240, 25250465, 25619984, 28389712, 32024980, 35487140, 39415360, 40400744, 43676480, 50500930, 51239968, 56779424, 64049960, 65651209, 70974280, 80801488, 101001860, 102479936, 113558848, 128099920, 131302418, 141948560, 161602976, 202003720, 256199840, 262604836, 283897120, 323205952, 328256045, 404007440, 512399680, 525209672, 567794240, 656512090, 808014880, 1050419344, 1313024180, 1616029760, 2100838688, 2626048360, 4201677376, 5252096720, 10504193440, 21008386880]

約数ペア:

[(1, 21008386880), (2, 10504193440), (4, 5252096720), (5, 4201677376), (8, 2626048360), (10, 2100838688), (13, 1616029760), (16, 1313024180), (20, 1050419344), (26, 808014880), (32, 656512090), (37, 567794240), (40, 525209672), (41, 512399680), (52, 404007440), (64, 328256045), (65, 323205952), (74, 283897120), (80, 262604836), (82, 256199840), (104, 202003720), (130, 161602976), (148, 141948560), (160, 131302418), (164, 128099920), (185, 113558848), (205, 102479936), (208, 101001860), (260, 80801488), (296, 70974280), (320, 65651209), (328, 64049960), (370, 56779424), (410, 51239968), (416, 50500930), (481, 43676480), (520, 40400744), (533, 39415360), (592, 35487140), (656, 32024980), (740, 28389712), (820, 25619984), (832, 25250465), (962, 21838240), (1040, 20200372), (1066, 19707680), (1184, 17743570), (1312, 16012490), (1480, 14194856), (1517, 13848640), (1640, 12809992), (1924, 10919120), (2080, 10100186), (2132, 9853840), (2368, 8871785), (2405, 8735296), (2624, 8006245), (2665, 7883072), (2960, 7097428), (3034, 6924320), (3280, 6404996), (3329, 6310720), (3848, 5459560), (4160, 5050093), (4264, 4926920), (4810, 4367648), (5330, 3941536), (5920, 3548714), (6068, 3462160), (6560, 3202498), (6658, 3155360), (7585, 2769728), (7696, 2729780), (8528, 2463460), (9620, 2183824), (10660, 1970768), (11840, 1774357), (12136, 1731080), (13120, 1601249), (13316, 1577680), (15170, 1384864), (15392, 1364890), (16645, 1262144), (17056, 1231730), (19240, 1091912), (19721, 1065280), (21320, 985384), (24272, 865540), (26632, 788840), (30340, 692432), (30784, 682445), (33290, 631072), (34112, 615865), (38480, 545956), (39442, 532640), (42640, 492692), (43277, 485440), (48544, 432770), (53264, 394420), (60680, 346216), (66580, 315536), (76960, 272978), (78884, 266320), (85280, 246346), (86554, 242720), (97088, 216385), (98605, 213056), (106528, 197210), (121360, 173108), (123173, 170560), (133160, 157768), (136489, 153920)]