21871510

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1423}}^1$

素因数の和:1512

約数の個数: 32

約数和(自身を含む): 41523840

約数和(自身を除く): 19652330

約数列:

[1, 2, 5, 10, 29, 53, 58, 106, 145, 265, 290, 530, 1423, 1537, 2846, 3074, 7115, 7685, 14230, 15370, 41267, 75419, 82534, 150838, 206335, 377095, 412670, 754190, 2187151, 4374302, 10935755, 21871510]

約数ペア:

[(1, 21871510), (2, 10935755), (5, 4374302), (10, 2187151), (29, 754190), (53, 412670), (58, 377095), (106, 206335), (145, 150838), (265, 82534), (290, 75419), (530, 41267), (1423, 15370), (1537, 14230), (2846, 7685), (3074, 7115)]