21211562

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{9461}}^1$

素因数の和:9541

約数の個数: 16

約数和(自身を含む): 34063200

約数和(自身を除く): 12851638

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 9461, 18922, 179759, 359518, 558199, 1116398, 10605781, 21211562]

約数ペア:

[(1, 21211562), (2, 10605781), (19, 1116398), (38, 558199), (59, 359518), (118, 179759), (1121, 18922), (2242, 9461)]