21294240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 192

約数和(自身を含む): 75841920

約数和(自身を除く): 54547680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 37, 40, 44, 48, 55, 60, 66, 74, 80, 88, 96, 109, 110, 111, 120, 132, 148, 160, 165, 176, 185, 218, 220, 222, 240, 264, 296, 327, 330, 352, 370, 407, 436, 440, 444, 480, 528, 545, 555, 592, 654, 660, 740, 814, 872, 880, 888, 1056, 1090, 1110, 1184, 1199, 1221, 1308, 1320, 1480, 1628, 1635, 1744, 1760, 1776, 2035, 2180, 2220, 2398, 2442, 2616, 2640, 2960, 3256, 3270, 3488, 3552, 3597, 4033, 4070, 4360, 4440, 4796, 4884, 5232, 5280, 5920, 5995, 6105, 6512, 6540, 7194, 8066, 8140, 8720, 8880, 9592, 9768, 10464, 11990, 12099, 12210, 13024, 13080, 14388, 16132, 16280, 17440, 17760, 17985, 19184, 19536, 20165, 23980, 24198, 24420, 26160, 28776, 32264, 32560, 35970, 38368, 39072, 40330, 44363, 47960, 48396, 48840, 52320, 57552, 60495, 64528, 65120, 71940, 80660, 88726, 95920, 96792, 97680, 115104, 120990, 129056, 133089, 143880, 161320, 177452, 191840, 193584, 195360, 221815, 241980, 266178, 287760, 322640, 354904, 387168, 443630, 483960, 532356, 575520, 645280, 665445, 709808, 887260, 967920, 1064712, 1330890, 1419616, 1774520, 1935840, 2129424, 2661780, 3549040, 4258848, 5323560, 7098080, 10647120, 21294240]

約数ペア:

[(1, 21294240), (2, 10647120), (3, 7098080), (4, 5323560), (5, 4258848), (6, 3549040), (8, 2661780), (10, 2129424), (11, 1935840), (12, 1774520), (15, 1419616), (16, 1330890), (20, 1064712), (22, 967920), (24, 887260), (30, 709808), (32, 665445), (33, 645280), (37, 575520), (40, 532356), (44, 483960), (48, 443630), (55, 387168), (60, 354904), (66, 322640), (74, 287760), (80, 266178), (88, 241980), (96, 221815), (109, 195360), (110, 193584), (111, 191840), (120, 177452), (132, 161320), (148, 143880), (160, 133089), (165, 129056), (176, 120990), (185, 115104), (218, 97680), (220, 96792), (222, 95920), (240, 88726), (264, 80660), (296, 71940), (327, 65120), (330, 64528), (352, 60495), (370, 57552), (407, 52320), (436, 48840), (440, 48396), (444, 47960), (480, 44363), (528, 40330), (545, 39072), (555, 38368), (592, 35970), (654, 32560), (660, 32264), (740, 28776), (814, 26160), (872, 24420), (880, 24198), (888, 23980), (1056, 20165), (1090, 19536), (1110, 19184), (1184, 17985), (1199, 17760), (1221, 17440), (1308, 16280), (1320, 16132), (1480, 14388), (1628, 13080), (1635, 13024), (1744, 12210), (1760, 12099), (1776, 11990), (2035, 10464), (2180, 9768), (2220, 9592), (2398, 8880), (2442, 8720), (2616, 8140), (2640, 8066), (2960, 7194), (3256, 6540), (3270, 6512), (3488, 6105), (3552, 5995), (3597, 5920), (4033, 5280), (4070, 5232), (4360, 4884), (4440, 4796)]