21779238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{279221}}^1$

素因数の和:279239

約数の個数: 16

約数和(自身を含む): 46909296

約数和(自身を除く): 25130058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 279221, 558442, 837663, 1675326, 3629873, 7259746, 10889619, 21779238]

約数ペア:

[(1, 21779238), (2, 10889619), (3, 7259746), (6, 3629873), (13, 1675326), (26, 837663), (39, 558442), (78, 279221)]