21500750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{5059}}^1$

素因数の和:5093

約数の個数: 32

約数和(自身を含む): 42625440

約数和(自身を除く): 21124690

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 5059, 10118, 25295, 50590, 86003, 126475, 172006, 252950, 430015, 632375, 860030, 1264750, 2150075, 4300150, 10750375, 21500750]

約数ペア:

[(1, 21500750), (2, 10750375), (5, 4300150), (10, 2150075), (17, 1264750), (25, 860030), (34, 632375), (50, 430015), (85, 252950), (125, 172006), (170, 126475), (250, 86003), (425, 50590), (850, 25295), (2125, 10118), (4250, 5059)]