21190216

素因数分解:

$2^3\times {\mathrm{751}}^1\times {\mathrm{3527}}^1$

素因数の和:4284

約数の個数: 16

約数和(自身を含む): 39795840

約数和(自身を除く): 18605624

約数列:

[1, 2, 4, 8, 751, 1502, 3004, 3527, 6008, 7054, 14108, 28216, 2648777, 5297554, 10595108, 21190216]

約数ペア:

[(1, 21190216), (2, 10595108), (4, 5297554), (8, 2648777), (751, 28216), (1502, 14108), (3004, 7054), (3527, 6008)]