21262830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5099}}^1$

素因数の和:5248

約数の個数: 32

約数和(自身を含む): 51408000

約数和(自身を除く): 30145170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 5099, 10198, 15297, 25495, 30594, 50990, 76485, 152970, 708761, 1417522, 2126283, 3543805, 4252566, 7087610, 10631415, 21262830]

約数ペア:

[(1, 21262830), (2, 10631415), (3, 7087610), (5, 4252566), (6, 3543805), (10, 2126283), (15, 1417522), (30, 708761), (139, 152970), (278, 76485), (417, 50990), (695, 30594), (834, 25495), (1390, 15297), (2085, 10198), (4170, 5099)]