21118250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{4969}}^1$

素因数の和:5003

約数の個数: 32

約数和(自身を含む): 41867280

約数和(自身を除く): 20749030

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 4969, 9938, 24845, 49690, 84473, 124225, 168946, 248450, 422365, 621125, 844730, 1242250, 2111825, 4223650, 10559125, 21118250]

約数ペア:

[(1, 21118250), (2, 10559125), (5, 4223650), (10, 2111825), (17, 1242250), (25, 844730), (34, 621125), (50, 422365), (85, 248450), (125, 168946), (170, 124225), (250, 84473), (425, 49690), (850, 24845), (2125, 9938), (4250, 4969)]