21574268

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1169

約数の個数: 24

約数和(自身を含む): 38841600

約数和(自身を除く): 17267332

約数列:

[1, 2, 4, 67, 79, 134, 158, 268, 316, 1019, 2038, 4076, 5293, 10586, 21172, 68273, 80501, 136546, 161002, 273092, 322004, 5393567, 10787134, 21574268]

約数ペア:

[(1, 21574268), (2, 10787134), (4, 5393567), (67, 322004), (79, 273092), (134, 161002), (158, 136546), (268, 80501), (316, 68273), (1019, 21172), (2038, 10586), (4076, 5293)]