21318200

素因数分解:

$2^3\times 5^2\times {\mathrm{106591}}^1$

素因数の和:106607

約数の個数: 24

約数和(自身を含む): 49565280

約数和(自身を除く): 28247080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 106591, 213182, 426364, 532955, 852728, 1065910, 2131820, 2664775, 4263640, 5329550, 10659100, 21318200]

約数ペア:

[(1, 21318200), (2, 10659100), (4, 5329550), (5, 4263640), (8, 2664775), (10, 2131820), (20, 1065910), (25, 852728), (40, 532955), (50, 426364), (100, 213182), (200, 106591)]