21929655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4583}}^1$

素因数の和:4631

約数の個数: 32

約数和(自身を含む): 39605760

約数和(自身を除く): 17676105

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4583, 4785, 13749, 22915, 50413, 68745, 132907, 151239, 252065, 398721, 664535, 756195, 1461977, 1993605, 4385931, 7309885, 21929655]

約数ペア:

[(1, 21929655), (3, 7309885), (5, 4385931), (11, 1993605), (15, 1461977), (29, 756195), (33, 664535), (55, 398721), (87, 252065), (145, 151239), (165, 132907), (319, 68745), (435, 50413), (957, 22915), (1595, 13749), (4583, 4785)]