21750456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 69995520

約数和(自身を除く): 48245064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 23, 24, 26, 28, 39, 42, 46, 52, 56, 69, 78, 84, 91, 92, 104, 138, 156, 161, 168, 182, 184, 273, 276, 299, 312, 322, 364, 433, 483, 546, 552, 598, 644, 728, 866, 897, 966, 1092, 1196, 1288, 1299, 1732, 1794, 1932, 2093, 2184, 2392, 2598, 3031, 3464, 3588, 3864, 4186, 5196, 5629, 6062, 6279, 7176, 8372, 9093, 9959, 10392, 11258, 12124, 12558, 16744, 16887, 18186, 19918, 22516, 24248, 25116, 29877, 33774, 36372, 39403, 39836, 45032, 50232, 59754, 67548, 69713, 72744, 78806, 79672, 118209, 119508, 129467, 135096, 139426, 157612, 209139, 236418, 239016, 258934, 278852, 315224, 388401, 418278, 472836, 517868, 557704, 776802, 836556, 906269, 945672, 1035736, 1553604, 1673112, 1812538, 2718807, 3107208, 3625076, 5437614, 7250152, 10875228, 21750456]

約数ペア:

[(1, 21750456), (2, 10875228), (3, 7250152), (4, 5437614), (6, 3625076), (7, 3107208), (8, 2718807), (12, 1812538), (13, 1673112), (14, 1553604), (21, 1035736), (23, 945672), (24, 906269), (26, 836556), (28, 776802), (39, 557704), (42, 517868), (46, 472836), (52, 418278), (56, 388401), (69, 315224), (78, 278852), (84, 258934), (91, 239016), (92, 236418), (104, 209139), (138, 157612), (156, 139426), (161, 135096), (168, 129467), (182, 119508), (184, 118209), (273, 79672), (276, 78806), (299, 72744), (312, 69713), (322, 67548), (364, 59754), (433, 50232), (483, 45032), (546, 39836), (552, 39403), (598, 36372), (644, 33774), (728, 29877), (866, 25116), (897, 24248), (966, 22516), (1092, 19918), (1196, 18186), (1288, 16887), (1299, 16744), (1732, 12558), (1794, 12124), (1932, 11258), (2093, 10392), (2184, 9959), (2392, 9093), (2598, 8372), (3031, 7176), (3464, 6279), (3588, 6062), (3864, 5629), (4186, 5196)]