21323986

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:753

約数の個数: 16

約数和(自身を含む): 32472000

約数和(自身を除く): 11148014

約数列:

[1, 2, 149, 163, 298, 326, 439, 878, 24287, 48574, 65411, 71557, 130822, 143114, 10661993, 21323986]

約数ペア:

[(1, 21323986), (2, 10661993), (149, 143114), (163, 130822), (298, 71557), (326, 65411), (439, 48574), (878, 24287)]