21913250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 44388864

約数和(自身を除く): 22475614

約数列:

[1, 2, 5, 10, 23, 25, 37, 46, 50, 74, 103, 115, 125, 185, 206, 230, 250, 370, 515, 575, 851, 925, 1030, 1150, 1702, 1850, 2369, 2575, 2875, 3811, 4255, 4625, 4738, 5150, 5750, 7622, 8510, 9250, 11845, 12875, 19055, 21275, 23690, 25750, 38110, 42550, 59225, 87653, 95275, 106375, 118450, 175306, 190550, 212750, 296125, 438265, 476375, 592250, 876530, 952750, 2191325, 4382650, 10956625, 21913250]

約数ペア:

[(1, 21913250), (2, 10956625), (5, 4382650), (10, 2191325), (23, 952750), (25, 876530), (37, 592250), (46, 476375), (50, 438265), (74, 296125), (103, 212750), (115, 190550), (125, 175306), (185, 118450), (206, 106375), (230, 95275), (250, 87653), (370, 59225), (515, 42550), (575, 38110), (851, 25750), (925, 23690), (1030, 21275), (1150, 19055), (1702, 12875), (1850, 11845), (2369, 9250), (2575, 8510), (2875, 7622), (3811, 5750), (4255, 5150), (4625, 4738)]