21016920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175141}}^1$

素因数の和:175155

約数の個数: 32

約数和(自身を含む): 63051120

約数和(自身を除く): 42034200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175141, 350282, 525423, 700564, 875705, 1050846, 1401128, 1751410, 2101692, 2627115, 3502820, 4203384, 5254230, 7005640, 10508460, 21016920]

約数ペア:

[(1, 21016920), (2, 10508460), (3, 7005640), (4, 5254230), (5, 4203384), (6, 3502820), (8, 2627115), (10, 2101692), (12, 1751410), (15, 1401128), (20, 1050846), (24, 875705), (30, 700564), (40, 525423), (60, 350282), (120, 175141)]