21099660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351661}}^1$

素因数の和:351673

約数の個数: 24

約数和(自身を含む): 59079216

約数和(自身を除く): 37979556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351661, 703322, 1054983, 1406644, 1758305, 2109966, 3516610, 4219932, 5274915, 7033220, 10549830, 21099660]

約数ペア:

[(1, 21099660), (2, 10549830), (3, 7033220), (4, 5274915), (5, 4219932), (6, 3516610), (10, 2109966), (12, 1758305), (15, 1406644), (20, 1054983), (30, 703322), (60, 351661)]