21787258921

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1\times {\mathrm{8941}}^1$

素因数の和:11016

約数の個数: 16

約数和(自身を含む): 23177664000

約数和(自身を除く): 1390405079

約数列:

[1, 23, 53, 1219, 1999, 8941, 45977, 105947, 205643, 473873, 2436781, 10899079, 17873059, 411080357, 947272127, 21787258921]

約数ペア:

[(1, 21787258921), (23, 947272127), (53, 411080357), (1219, 17873059), (1999, 10899079), (8941, 2436781), (45977, 473873), (105947, 205643)]