21146348

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 37855440

約数和(自身を除く): 16709092

約数列:

[1, 2, 4, 73, 139, 146, 278, 292, 521, 556, 1042, 2084, 10147, 20294, 38033, 40588, 72419, 76066, 144838, 152132, 289676, 5286587, 10573174, 21146348]

約数ペア:

[(1, 21146348), (2, 10573174), (4, 5286587), (73, 289676), (139, 152132), (146, 144838), (278, 76066), (292, 72419), (521, 40588), (556, 38033), (1042, 20294), (2084, 10147)]