21000478528

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{11314913}}^1$

素因数の和:11314954

約数の個数: 28

約数和(自身を含む): 43109822340

約数和(自身を除く): 22109343812

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 464, 928, 1856, 11314913, 22629826, 45259652, 90519304, 181038608, 328132477, 362077216, 656264954, 724154432, 1312529908, 2625059816, 5250119632, 10500239264, 21000478528]

約数ペア:

[(1, 21000478528), (2, 10500239264), (4, 5250119632), (8, 2625059816), (16, 1312529908), (29, 724154432), (32, 656264954), (58, 362077216), (64, 328132477), (116, 181038608), (232, 90519304), (464, 45259652), (928, 22629826), (1856, 11314913)]