21534529

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 23664960

約数和(自身を除く): 2130431

約数列:

[1, 17, 43, 89, 331, 731, 1513, 3827, 5627, 14233, 29459, 65059, 241961, 500803, 1266737, 21534529]

約数ペア:

[(1, 21534529), (17, 1266737), (43, 500803), (89, 241961), (331, 65059), (731, 29459), (1513, 14233), (3827, 5627)]