21026766

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 43296768

約数和(自身を除く): 22270002

約数列:

[1, 2, 3, 6, 47, 94, 141, 173, 282, 346, 431, 519, 862, 1038, 1293, 2586, 8131, 16262, 20257, 24393, 40514, 48786, 60771, 74563, 121542, 149126, 223689, 447378, 3504461, 7008922, 10513383, 21026766]

約数ペア:

[(1, 21026766), (2, 10513383), (3, 7008922), (6, 3504461), (47, 447378), (94, 223689), (141, 149126), (173, 121542), (282, 74563), (346, 60771), (431, 48786), (519, 40514), (862, 24393), (1038, 20257), (1293, 16262), (2586, 8131)]