21350820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355847}}^1$

素因数の和:355859

約数の個数: 24

約数和(自身を含む): 59782464

約数和(自身を除く): 38431644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355847, 711694, 1067541, 1423388, 1779235, 2135082, 3558470, 4270164, 5337705, 7116940, 10675410, 21350820]

約数ペア:

[(1, 21350820), (2, 10675410), (3, 7116940), (4, 5337705), (5, 4270164), (6, 3558470), (10, 2135082), (12, 1779235), (15, 1423388), (20, 1067541), (30, 711694), (60, 355847)]