21805530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6793}}^1$

素因数の和:6910

約数の個数: 32

約数和(自身を含む): 52830144

約数和(自身を除く): 31024614

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 6793, 13586, 20379, 33965, 40758, 67930, 101895, 203790, 726851, 1453702, 2180553, 3634255, 4361106, 7268510, 10902765, 21805530]

約数ペア:

[(1, 21805530), (2, 10902765), (3, 7268510), (5, 4361106), (6, 3634255), (10, 2180553), (15, 1453702), (30, 726851), (107, 203790), (214, 101895), (321, 67930), (535, 40758), (642, 33965), (1070, 20379), (1605, 13586), (3210, 6793)]