21107554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1667}}^1$

素因数の和:2169

約数の個数: 16

約数和(自身を含む): 34187328

約数和(自身を除く): 13079774

約数列:

[1, 2, 13, 26, 487, 974, 1667, 3334, 6331, 12662, 21671, 43342, 811829, 1623658, 10553777, 21107554]

約数ペア:

[(1, 21107554), (2, 10553777), (13, 1623658), (26, 811829), (487, 43342), (974, 21671), (1667, 12662), (3334, 6331)]