21315216

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{34159}}^1$

素因数の和:34183

約数の個数: 40

約数和(自身を含む): 59301760

約数和(自身を除く): 37986544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 34159, 68318, 102477, 136636, 204954, 273272, 409908, 444067, 546544, 819816, 888134, 1332201, 1639632, 1776268, 2664402, 3552536, 5328804, 7105072, 10657608, 21315216]

約数ペア:

[(1, 21315216), (2, 10657608), (3, 7105072), (4, 5328804), (6, 3552536), (8, 2664402), (12, 1776268), (13, 1639632), (16, 1332201), (24, 888134), (26, 819816), (39, 546544), (48, 444067), (52, 409908), (78, 273272), (104, 204954), (156, 136636), (208, 102477), (312, 68318), (624, 34159)]