21847705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2437}}^1$

素因数の和:2616

約数の個数: 16

約数和(自身を含む): 28787904

約数和(自身を除く): 6940199

約数列:

[1, 5, 11, 55, 163, 815, 1793, 2437, 8965, 12185, 26807, 134035, 397231, 1986155, 4369541, 21847705]

約数ペア:

[(1, 21847705), (5, 4369541), (11, 1986155), (55, 397231), (163, 134035), (815, 26807), (1793, 12185), (2437, 8965)]