21330200

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{4637}}^1$

素因数の和:4676

約数の個数: 48

約数和(自身を含む): 51760080

約数和(自身を除く): 30429880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4600, 4637, 9274, 18548, 23185, 37096, 46370, 92740, 106651, 115925, 185480, 213302, 231850, 426604, 463700, 533255, 853208, 927400, 1066510, 2133020, 2666275, 4266040, 5332550, 10665100, 21330200]

約数ペア:

[(1, 21330200), (2, 10665100), (4, 5332550), (5, 4266040), (8, 2666275), (10, 2133020), (20, 1066510), (23, 927400), (25, 853208), (40, 533255), (46, 463700), (50, 426604), (92, 231850), (100, 213302), (115, 185480), (184, 115925), (200, 106651), (230, 92740), (460, 46370), (575, 37096), (920, 23185), (1150, 18548), (2300, 9274), (4600, 4637)]