21212070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64279}}^1$

素因数の和:64300

約数の個数: 32

約数和(自身を含む): 55537920

約数和(自身を除く): 34325850

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64279, 128558, 192837, 321395, 385674, 642790, 707069, 964185, 1414138, 1928370, 2121207, 3535345, 4242414, 7070690, 10606035, 21212070]

約数ペア:

[(1, 21212070), (2, 10606035), (3, 7070690), (5, 4242414), (6, 3535345), (10, 2121207), (11, 1928370), (15, 1414138), (22, 964185), (30, 707069), (33, 642790), (55, 385674), (66, 321395), (110, 192837), (165, 128558), (330, 64279)]