21467548

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1987}}^1$

素因数の和:2101

約数の個数: 24

約数和(自身を含む): 39131792

約数和(自身を除く): 17664244

約数列:

[1, 2, 4, 37, 73, 74, 146, 148, 292, 1987, 2701, 3974, 5402, 7948, 10804, 73519, 145051, 147038, 290102, 294076, 580204, 5366887, 10733774, 21467548]

約数ペア:

[(1, 21467548), (2, 10733774), (4, 5366887), (37, 580204), (73, 294076), (74, 290102), (146, 147038), (148, 145051), (292, 73519), (1987, 10804), (2701, 7948), (3974, 5402)]