21346445

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3359}}^1$

素因数の和:3436

約数の個数: 16

約数和(自身を含む): 27095040

約数和(自身を除く): 5748595

約数列:

[1, 5, 31, 41, 155, 205, 1271, 3359, 6355, 16795, 104129, 137719, 520645, 688595, 4269289, 21346445]

約数ペア:

[(1, 21346445), (5, 4269289), (31, 688595), (41, 520645), (155, 137719), (205, 104129), (1271, 16795), (3359, 6355)]