2021173921

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{9811}}^1$

素因数の和:9913

約数の個数: 24

約数和(自身を含む): 2327092416

約数和(自身を除く): 305918495

約数列:

[1, 13, 23, 53, 169, 299, 689, 1219, 3887, 8957, 9811, 15847, 127543, 206011, 225653, 519983, 1658059, 2933489, 6759779, 11959609, 38135357, 87877127, 155474917, 2021173921]

約数ペア:

[(1, 2021173921), (13, 155474917), (23, 87877127), (53, 38135357), (169, 11959609), (299, 6759779), (689, 2933489), (1219, 1658059), (3887, 519983), (8957, 225653), (9811, 206011), (15847, 127543)]