21690510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19541}}^1$

素因数の和:19588

約数の個数: 32

約数和(自身を含む): 53466912

約数和(自身を除く): 31776402

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 19541, 39082, 58623, 97705, 117246, 195410, 293115, 586230, 723017, 1446034, 2169051, 3615085, 4338102, 7230170, 10845255, 21690510]

約数ペア:

[(1, 21690510), (2, 10845255), (3, 7230170), (5, 4338102), (6, 3615085), (10, 2169051), (15, 1446034), (30, 723017), (37, 586230), (74, 293115), (111, 195410), (185, 117246), (222, 97705), (370, 58623), (555, 39082), (1110, 19541)]