21000859202

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1\times {\mathrm{199321}}^1$

素因数の和:199841

約数の個数: 16

約数和(自身を含む): 31811791200

約数和(自身を除く): 10810931998

約数列:

[1, 2, 139, 278, 379, 758, 52681, 105362, 199321, 398642, 27705619, 55411238, 75542659, 151085318, 10500429601, 21000859202]

約数ペア:

[(1, 21000859202), (2, 10500429601), (139, 151085318), (278, 75542659), (379, 55411238), (758, 27705619), (52681, 398642), (105362, 199321)]