21248116

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 37861376

約数和(自身を除く): 16613260

約数列:

[1, 2, 4, 127, 151, 254, 277, 302, 508, 554, 604, 1108, 19177, 35179, 38354, 41827, 70358, 76708, 83654, 140716, 167308, 5312029, 10624058, 21248116]

約数ペア:

[(1, 21248116), (2, 10624058), (4, 5312029), (127, 167308), (151, 140716), (254, 83654), (277, 76708), (302, 70358), (508, 41827), (554, 38354), (604, 35179), (1108, 19177)]