21529123

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{16447}}^1$

素因数の和:16482

約数の個数: 16

約数和(自身を含む): 28422144

約数和(自身を除く): 6893021

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 16447, 115129, 180917, 279599, 1266419, 1957193, 3075589, 21529123]

約数ペア:

[(1, 21529123), (7, 3075589), (11, 1957193), (17, 1266419), (77, 279599), (119, 180917), (187, 115129), (1309, 16447)]