21134992

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1879}}^1$

素因数の和:1943

約数の個数: 40

約数和(自身を含む): 44292800

約数和(自身を除く): 23157808

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 1879, 2812, 3758, 5624, 7516, 11248, 15032, 30064, 35701, 69523, 71402, 139046, 142804, 278092, 285608, 556184, 571216, 1112368, 1320937, 2641874, 5283748, 10567496, 21134992]

約数ペア:

[(1, 21134992), (2, 10567496), (4, 5283748), (8, 2641874), (16, 1320937), (19, 1112368), (37, 571216), (38, 556184), (74, 285608), (76, 278092), (148, 142804), (152, 139046), (296, 71402), (304, 69523), (592, 35701), (703, 30064), (1406, 15032), (1879, 11248), (2812, 7516), (3758, 5624)]