21338250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1237}}^1$

素因数の和:1280

約数の個数: 64

約数和(自身を含む): 55620864

約数和(自身を除く): 34282614

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 125, 138, 150, 230, 250, 345, 375, 575, 690, 750, 1150, 1237, 1725, 2474, 2875, 3450, 3711, 5750, 6185, 7422, 8625, 12370, 17250, 18555, 28451, 30925, 37110, 56902, 61850, 85353, 92775, 142255, 154625, 170706, 185550, 284510, 309250, 426765, 463875, 711275, 853530, 927750, 1422550, 2133825, 3556375, 4267650, 7112750, 10669125, 21338250]

約数ペア:

[(1, 21338250), (2, 10669125), (3, 7112750), (5, 4267650), (6, 3556375), (10, 2133825), (15, 1422550), (23, 927750), (25, 853530), (30, 711275), (46, 463875), (50, 426765), (69, 309250), (75, 284510), (115, 185550), (125, 170706), (138, 154625), (150, 142255), (230, 92775), (250, 85353), (345, 61850), (375, 56902), (575, 37110), (690, 30925), (750, 28451), (1150, 18555), (1237, 17250), (1725, 12370), (2474, 8625), (2875, 7422), (3450, 6185), (3711, 5750)]