21439140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{357319}}^1$

素因数の和:357331

約数の個数: 24

約数和(自身を含む): 60029760

約数和(自身を除く): 38590620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 357319, 714638, 1071957, 1429276, 1786595, 2143914, 3573190, 4287828, 5359785, 7146380, 10719570, 21439140]

約数ペア:

[(1, 21439140), (2, 10719570), (3, 7146380), (4, 5359785), (5, 4287828), (6, 3573190), (10, 2143914), (12, 1786595), (15, 1429276), (20, 1071957), (30, 714638), (60, 357319)]