21635150

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{4201}}^1$

素因数の和:4316

約数の個数: 24

約数和(自身を含む): 40641744

約数和(自身を除く): 19006594

約数列:

[1, 2, 5, 10, 25, 50, 103, 206, 515, 1030, 2575, 4201, 5150, 8402, 21005, 42010, 105025, 210050, 432703, 865406, 2163515, 4327030, 10817575, 21635150]

約数ペア:

[(1, 21635150), (2, 10817575), (5, 4327030), (10, 2163515), (25, 865406), (50, 432703), (103, 210050), (206, 105025), (515, 42010), (1030, 21005), (2575, 8402), (4201, 5150)]