21029510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1201}}^1$

素因数の和:1328

約数の個数: 32

約数和(自身を含む): 40502592

約数和(自身を除く): 19473082

約数列:

[1, 2, 5, 10, 17, 34, 85, 103, 170, 206, 515, 1030, 1201, 1751, 2402, 3502, 6005, 8755, 12010, 17510, 20417, 40834, 102085, 123703, 204170, 247406, 618515, 1237030, 2102951, 4205902, 10514755, 21029510]

約数ペア:

[(1, 21029510), (2, 10514755), (5, 4205902), (10, 2102951), (17, 1237030), (34, 618515), (85, 247406), (103, 204170), (170, 123703), (206, 102085), (515, 40834), (1030, 20417), (1201, 17510), (1751, 12010), (2402, 8755), (3502, 6005)]