21620616

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{6481}}^1$

素因数の和:6629

約数の個数: 32

約数和(自身を含む): 54448800

約数和(自身を除く): 32828184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1668, 3336, 6481, 12962, 19443, 25924, 38886, 51848, 77772, 155544, 900859, 1801718, 2702577, 3603436, 5405154, 7206872, 10810308, 21620616]

約数ペア:

[(1, 21620616), (2, 10810308), (3, 7206872), (4, 5405154), (6, 3603436), (8, 2702577), (12, 1801718), (24, 900859), (139, 155544), (278, 77772), (417, 51848), (556, 38886), (834, 25924), (1112, 19443), (1668, 12962), (3336, 6481)]