21931572179

素因数分解:

${\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3061}}^1\times {\mathrm{6449}}^1$

素因数の和:9622

約数の個数: 16

約数和(自身を含む): 24173877600

約数和(自身を除く): 2242305421

約数列:

[1, 11, 101, 1111, 3061, 6449, 33671, 70939, 309161, 651349, 3400771, 7164839, 19740389, 217144279, 1993779289, 21931572179]

約数ペア:

[(1, 21931572179), (11, 1993779289), (101, 217144279), (1111, 19740389), (3061, 7164839), (6449, 3400771), (33671, 651349), (70939, 309161)]