21304800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1$

素因数の和:306

約数の個数: 216

約数和(自身を含む): 82260360

約数和(自身を除く): 60955560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 32, 33, 36, 40, 44, 45, 48, 50, 55, 60, 66, 72, 75, 80, 88, 90, 96, 99, 100, 110, 120, 132, 144, 150, 160, 165, 176, 180, 198, 200, 220, 225, 240, 264, 269, 275, 288, 300, 330, 352, 360, 396, 400, 440, 450, 480, 495, 528, 538, 550, 600, 660, 720, 792, 800, 807, 825, 880, 900, 990, 1056, 1076, 1100, 1200, 1320, 1345, 1440, 1584, 1614, 1650, 1760, 1800, 1980, 2152, 2200, 2400, 2421, 2475, 2640, 2690, 2959, 3168, 3228, 3300, 3600, 3960, 4035, 4304, 4400, 4842, 4950, 5280, 5380, 5918, 6456, 6600, 6725, 7200, 7920, 8070, 8608, 8800, 8877, 9684, 9900, 10760, 11836, 12105, 12912, 13200, 13450, 14795, 15840, 16140, 17754, 19368, 19800, 20175, 21520, 23672, 24210, 25824, 26400, 26631, 26900, 29590, 32280, 35508, 38736, 39600, 40350, 43040, 44385, 47344, 48420, 53262, 53800, 59180, 60525, 64560, 71016, 73975, 77472, 79200, 80700, 88770, 94688, 96840, 106524, 107600, 118360, 121050, 129120, 133155, 142032, 147950, 161400, 177540, 193680, 213048, 215200, 221925, 236720, 242100, 266310, 284064, 295900, 322800, 355080, 387360, 426096, 443850, 473440, 484200, 532620, 591800, 645600, 665775, 710160, 852192, 887700, 968400, 1065240, 1183600, 1331550, 1420320, 1775400, 1936800, 2130480, 2367200, 2663100, 3550800, 4260960, 5326200, 7101600, 10652400, 21304800]

約数ペア:

[(1, 21304800), (2, 10652400), (3, 7101600), (4, 5326200), (5, 4260960), (6, 3550800), (8, 2663100), (9, 2367200), (10, 2130480), (11, 1936800), (12, 1775400), (15, 1420320), (16, 1331550), (18, 1183600), (20, 1065240), (22, 968400), (24, 887700), (25, 852192), (30, 710160), (32, 665775), (33, 645600), (36, 591800), (40, 532620), (44, 484200), (45, 473440), (48, 443850), (50, 426096), (55, 387360), (60, 355080), (66, 322800), (72, 295900), (75, 284064), (80, 266310), (88, 242100), (90, 236720), (96, 221925), (99, 215200), (100, 213048), (110, 193680), (120, 177540), (132, 161400), (144, 147950), (150, 142032), (160, 133155), (165, 129120), (176, 121050), (180, 118360), (198, 107600), (200, 106524), (220, 96840), (225, 94688), (240, 88770), (264, 80700), (269, 79200), (275, 77472), (288, 73975), (300, 71016), (330, 64560), (352, 60525), (360, 59180), (396, 53800), (400, 53262), (440, 48420), (450, 47344), (480, 44385), (495, 43040), (528, 40350), (538, 39600), (550, 38736), (600, 35508), (660, 32280), (720, 29590), (792, 26900), (800, 26631), (807, 26400), (825, 25824), (880, 24210), (900, 23672), (990, 21520), (1056, 20175), (1076, 19800), (1100, 19368), (1200, 17754), (1320, 16140), (1345, 15840), (1440, 14795), (1584, 13450), (1614, 13200), (1650, 12912), (1760, 12105), (1800, 11836), (1980, 10760), (2152, 9900), (2200, 9684), (2400, 8877), (2421, 8800), (2475, 8608), (2640, 8070), (2690, 7920), (2959, 7200), (3168, 6725), (3228, 6600), (3300, 6456), (3600, 5918), (3960, 5380), (4035, 5280), (4304, 4950), (4400, 4842)]