21153981652

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2744419}}^1$

素因数の和:2744511

約数の個数: 24

約数和(自身を含む): 38729255040

約数和(自身を除く): 17575273388

約数列:

[1, 2, 4, 41, 47, 82, 94, 164, 188, 1927, 3854, 7708, 2744419, 5488838, 10977676, 112521179, 128987693, 225042358, 257975386, 450084716, 515950772, 5288495413, 10576990826, 21153981652]

約数ペア:

[(1, 21153981652), (2, 10576990826), (4, 5288495413), (41, 515950772), (47, 450084716), (82, 257975386), (94, 225042358), (164, 128987693), (188, 112521179), (1927, 10977676), (3854, 5488838), (7708, 2744419)]