21625474

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 38630592

約数和(自身を除く): 17005118

約数列:

[1, 2, 13, 23, 26, 29, 43, 46, 58, 86, 299, 377, 559, 598, 667, 754, 841, 989, 1118, 1247, 1334, 1682, 1978, 2494, 8671, 10933, 12857, 16211, 17342, 19343, 21866, 25714, 28681, 32422, 36163, 38686, 57362, 72326, 251459, 372853, 470119, 502918, 745706, 831749, 940238, 1663498, 10812737, 21625474]

約数ペア:

[(1, 21625474), (2, 10812737), (13, 1663498), (23, 940238), (26, 831749), (29, 745706), (43, 502918), (46, 470119), (58, 372853), (86, 251459), (299, 72326), (377, 57362), (559, 38686), (598, 36163), (667, 32422), (754, 28681), (841, 25714), (989, 21866), (1118, 19343), (1247, 17342), (1334, 16211), (1682, 12857), (1978, 10933), (2494, 8671)]