21640462

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{719}}^1$

素因数の和:971

約数の個数: 16

約数和(自身を含む): 33048000

約数和(自身を除く): 11407538

約数列:

[1, 2, 101, 149, 202, 298, 719, 1438, 15049, 30098, 72619, 107131, 145238, 214262, 10820231, 21640462]

約数ペア:

[(1, 21640462), (2, 10820231), (101, 214262), (149, 145238), (202, 107131), (298, 72619), (719, 30098), (1438, 15049)]