21321660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355361}}^1$

素因数の和:355373

約数の個数: 24

約数和(自身を含む): 59700816

約数和(自身を除く): 38379156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355361, 710722, 1066083, 1421444, 1776805, 2132166, 3553610, 4264332, 5330415, 7107220, 10660830, 21321660]

約数ペア:

[(1, 21321660), (2, 10660830), (3, 7107220), (4, 5330415), (5, 4264332), (6, 3553610), (10, 2132166), (12, 1776805), (15, 1421444), (20, 1066083), (30, 710722), (60, 355361)]