21146028

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{103657}}^1$

素因数の和:103681

約数の個数: 24

約数和(自身を含む): 52243632

約数和(自身を除く): 31097604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 103657, 207314, 310971, 414628, 621942, 1243884, 1762169, 3524338, 5286507, 7048676, 10573014, 21146028]

約数ペア:

[(1, 21146028), (2, 10573014), (3, 7048676), (4, 5286507), (6, 3524338), (12, 1762169), (17, 1243884), (34, 621942), (51, 414628), (68, 310971), (102, 207314), (204, 103657)]