21461374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51343}}^1$

素因数の和:51375

約数の個数: 16

約数和(自身を含む): 36967680

約数和(自身を除く): 15506306

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51343, 102686, 564773, 975517, 1129546, 1951034, 10730687, 21461374]

約数ペア:

[(1, 21461374), (2, 10730687), (11, 1951034), (19, 1129546), (22, 975517), (38, 564773), (209, 102686), (418, 51343)]