21019620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4799}}^1$

素因数の和:4884

約数の個数: 48

約数和(自身を含む): 59673600

約数和(自身を除く): 38653980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4799, 9598, 14397, 19196, 23995, 28794, 47990, 57588, 71985, 95980, 143970, 287940, 350327, 700654, 1050981, 1401308, 1751635, 2101962, 3503270, 4203924, 5254905, 7006540, 10509810, 21019620]

約数ペア:

[(1, 21019620), (2, 10509810), (3, 7006540), (4, 5254905), (5, 4203924), (6, 3503270), (10, 2101962), (12, 1751635), (15, 1401308), (20, 1050981), (30, 700654), (60, 350327), (73, 287940), (146, 143970), (219, 95980), (292, 71985), (365, 57588), (438, 47990), (730, 28794), (876, 23995), (1095, 19196), (1460, 14397), (2190, 9598), (4380, 4799)]