21995970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9281}}^1$

素因数の和:9370

約数の個数: 32

約数和(自身を含む): 53464320

約数和(自身を除く): 31468350

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 9281, 18562, 27843, 46405, 55686, 92810, 139215, 278430, 733199, 1466398, 2199597, 3665995, 4399194, 7331990, 10997985, 21995970]

約数ペア:

[(1, 21995970), (2, 10997985), (3, 7331990), (5, 4399194), (6, 3665995), (10, 2199597), (15, 1466398), (30, 733199), (79, 278430), (158, 139215), (237, 92810), (395, 55686), (474, 46405), (790, 27843), (1185, 18562), (2370, 9281)]