21053854

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{6131}}^1$

素因数の和:6251

約数の個数: 16

約数和(自身を含む): 33775056

約数和(自身を除く): 12721202

約数列:

[1, 2, 17, 34, 101, 202, 1717, 3434, 6131, 12262, 104227, 208454, 619231, 1238462, 10526927, 21053854]

約数ペア:

[(1, 21053854), (2, 10526927), (17, 1238462), (34, 619231), (101, 208454), (202, 104227), (1717, 12262), (3434, 6131)]