21770220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3391}}^1$

素因数の和:3510

約数の個数: 48

約数和(自身を含む): 61544448

約数和(自身を除く): 39774228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 3391, 6420, 6782, 10173, 13564, 16955, 20346, 33910, 40692, 50865, 67820, 101730, 203460, 362837, 725674, 1088511, 1451348, 1814185, 2177022, 3628370, 4354044, 5442555, 7256740, 10885110, 21770220]

約数ペア:

[(1, 21770220), (2, 10885110), (3, 7256740), (4, 5442555), (5, 4354044), (6, 3628370), (10, 2177022), (12, 1814185), (15, 1451348), (20, 1088511), (30, 725674), (60, 362837), (107, 203460), (214, 101730), (321, 67820), (428, 50865), (535, 40692), (642, 33910), (1070, 20346), (1284, 16955), (1605, 13564), (2140, 10173), (3210, 6782), (3391, 6420)]