21759402

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 51830784

約数和(自身を除く): 30071382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 73, 94, 141, 146, 151, 219, 282, 302, 329, 438, 453, 511, 658, 906, 987, 1022, 1057, 1533, 1974, 2114, 3066, 3171, 3431, 6342, 6862, 7097, 10293, 11023, 14194, 20586, 21291, 22046, 24017, 33069, 42582, 48034, 49679, 66138, 72051, 77161, 99358, 144102, 149037, 154322, 231483, 298074, 462966, 518081, 1036162, 1554243, 3108486, 3626567, 7253134, 10879701, 21759402]

約数ペア:

[(1, 21759402), (2, 10879701), (3, 7253134), (6, 3626567), (7, 3108486), (14, 1554243), (21, 1036162), (42, 518081), (47, 462966), (73, 298074), (94, 231483), (141, 154322), (146, 149037), (151, 144102), (219, 99358), (282, 77161), (302, 72051), (329, 66138), (438, 49679), (453, 48034), (511, 42582), (658, 33069), (906, 24017), (987, 22046), (1022, 21291), (1057, 20586), (1533, 14194), (1974, 11023), (2114, 10293), (3066, 7097), (3171, 6862), (3431, 6342)]