21103703680

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{27733}}^1$

素因数の和:27822

約数の個数: 128

約数和(自身を含む): 53465605200

約数和(自身を除く): 32361901520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 41, 58, 64, 80, 82, 116, 128, 145, 160, 164, 205, 232, 290, 320, 328, 410, 464, 580, 640, 656, 820, 928, 1160, 1189, 1312, 1640, 1856, 2320, 2378, 2624, 3280, 3712, 4640, 4756, 5248, 5945, 6560, 9280, 9512, 11890, 13120, 18560, 19024, 23780, 26240, 27733, 38048, 47560, 55466, 76096, 95120, 110932, 138665, 152192, 190240, 221864, 277330, 380480, 443728, 554660, 760960, 804257, 887456, 1109320, 1137053, 1608514, 1774912, 2218640, 2274106, 3217028, 3549824, 4021285, 4437280, 4548212, 5685265, 6434056, 8042570, 8874560, 9096424, 11370530, 12868112, 16085140, 17749120, 18192848, 22741060, 25736224, 32170280, 32974537, 36385696, 45482120, 51472448, 64340560, 65949074, 72771392, 90964240, 102944896, 128681120, 131898148, 145542784, 164872685, 181928480, 257362240, 263796296, 329745370, 363856960, 514724480, 527592592, 659490740, 727713920, 1055185184, 1318981480, 2110370368, 2637962960, 4220740736, 5275925920, 10551851840, 21103703680]

約数ペア:

[(1, 21103703680), (2, 10551851840), (4, 5275925920), (5, 4220740736), (8, 2637962960), (10, 2110370368), (16, 1318981480), (20, 1055185184), (29, 727713920), (32, 659490740), (40, 527592592), (41, 514724480), (58, 363856960), (64, 329745370), (80, 263796296), (82, 257362240), (116, 181928480), (128, 164872685), (145, 145542784), (160, 131898148), (164, 128681120), (205, 102944896), (232, 90964240), (290, 72771392), (320, 65949074), (328, 64340560), (410, 51472448), (464, 45482120), (580, 36385696), (640, 32974537), (656, 32170280), (820, 25736224), (928, 22741060), (1160, 18192848), (1189, 17749120), (1312, 16085140), (1640, 12868112), (1856, 11370530), (2320, 9096424), (2378, 8874560), (2624, 8042570), (3280, 6434056), (3712, 5685265), (4640, 4548212), (4756, 4437280), (5248, 4021285), (5945, 3549824), (6560, 3217028), (9280, 2274106), (9512, 2218640), (11890, 1774912), (13120, 1608514), (18560, 1137053), (19024, 1109320), (23780, 887456), (26240, 804257), (27733, 760960), (38048, 554660), (47560, 443728), (55466, 380480), (76096, 277330), (95120, 221864), (110932, 190240), (138665, 152192)]