21890888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2441}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 43956000

約数和(自身を除く): 22065112

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 152, 236, 472, 1121, 2242, 2441, 4484, 4882, 8968, 9764, 19528, 46379, 92758, 144019, 185516, 288038, 371032, 576076, 1152152, 2736361, 5472722, 10945444, 21890888]

約数ペア:

[(1, 21890888), (2, 10945444), (4, 5472722), (8, 2736361), (19, 1152152), (38, 576076), (59, 371032), (76, 288038), (118, 185516), (152, 144019), (236, 92758), (472, 46379), (1121, 19528), (2242, 9764), (2441, 8968), (4484, 4882)]