21073890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{719}}^1\times {\mathrm{977}}^1$

素因数の和:1706

約数の個数: 32

約数和(自身を含む): 50699520

約数和(自身を除く): 29625630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 719, 977, 1438, 1954, 2157, 2931, 3595, 4314, 4885, 5862, 7190, 9770, 10785, 14655, 21570, 29310, 702463, 1404926, 2107389, 3512315, 4214778, 7024630, 10536945, 21073890]

約数ペア:

[(1, 21073890), (2, 10536945), (3, 7024630), (5, 4214778), (6, 3512315), (10, 2107389), (15, 1404926), (30, 702463), (719, 29310), (977, 21570), (1438, 14655), (1954, 10785), (2157, 9770), (2931, 7190), (3595, 5862), (4314, 4885)]