21170291930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{457}}^1\times {\mathrm{1013}}^1$

素因数の和:1763

約数の個数: 64

約数和(自身を含む): 40626761760

約数和(自身を除く): 19456469830

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 269, 457, 538, 914, 1013, 1345, 2026, 2285, 2690, 4570, 4573, 5065, 7769, 9146, 10130, 15538, 17221, 22865, 34442, 38845, 45730, 77690, 86105, 122933, 172210, 245866, 272497, 462941, 544994, 614665, 925882, 1229330, 1362485, 2089861, 2314705, 2724970, 4179722, 4629410, 4632449, 7869997, 9264898, 10449305, 15739994, 20898610, 23162245, 39349985, 46324490, 78699970, 124531129, 249062258, 622655645, 1245311290, 2117029193, 4234058386, 10585145965, 21170291930]

約数ペア:

[(1, 21170291930), (2, 10585145965), (5, 4234058386), (10, 2117029193), (17, 1245311290), (34, 622655645), (85, 249062258), (170, 124531129), (269, 78699970), (457, 46324490), (538, 39349985), (914, 23162245), (1013, 20898610), (1345, 15739994), (2026, 10449305), (2285, 9264898), (2690, 7869997), (4570, 4632449), (4573, 4629410), (5065, 4179722), (7769, 2724970), (9146, 2314705), (10130, 2089861), (15538, 1362485), (17221, 1229330), (22865, 925882), (34442, 614665), (38845, 544994), (45730, 462941), (77690, 272497), (86105, 245866), (122933, 172210)]