21902950

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{4253}}^1$

素因数の和:4368

約数の個数: 24

約数和(自身を含む): 41144688

約数和(自身を除く): 19241738

約数列:

[1, 2, 5, 10, 25, 50, 103, 206, 515, 1030, 2575, 4253, 5150, 8506, 21265, 42530, 106325, 212650, 438059, 876118, 2190295, 4380590, 10951475, 21902950]

約数ペア:

[(1, 21902950), (2, 10951475), (5, 4380590), (10, 2190295), (25, 876118), (50, 438059), (103, 212650), (206, 106325), (515, 42530), (1030, 21265), (2575, 8506), (4253, 5150)]