21662490530

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1597}}^1\times {\mathrm{15241}}^1$

素因数の和:16934

約数の個数: 32

約数和(自身を含む): 39457879920

約数和(自身を除く): 17795389390

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1597, 3194, 7985, 15241, 15970, 30482, 76205, 142133, 152410, 284266, 710665, 1356449, 1421330, 2712898, 6782245, 13564490, 24339877, 48679754, 121699385, 243398770, 2166249053, 4332498106, 10831245265, 21662490530]

約数ペア:

[(1, 21662490530), (2, 10831245265), (5, 4332498106), (10, 2166249053), (89, 243398770), (178, 121699385), (445, 48679754), (890, 24339877), (1597, 13564490), (3194, 6782245), (7985, 2712898), (15241, 1421330), (15970, 1356449), (30482, 710665), (76205, 284266), (142133, 152410)]