21603590

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 40449024

約数和(自身を除く): 18845434

約数列:

[1, 2, 5, 10, 31, 62, 155, 227, 307, 310, 454, 614, 1135, 1535, 2270, 3070, 7037, 9517, 14074, 19034, 35185, 47585, 69689, 70370, 95170, 139378, 348445, 696890, 2160359, 4320718, 10801795, 21603590]

約数ペア:

[(1, 21603590), (2, 10801795), (5, 4320718), (10, 2160359), (31, 696890), (62, 348445), (155, 139378), (227, 95170), (307, 70370), (310, 69689), (454, 47585), (614, 35185), (1135, 19034), (1535, 14074), (2270, 9517), (3070, 7037)]