21445630

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 39896064

約数和(自身を除く): 18450434

約数列:

[1, 2, 5, 10, 47, 94, 103, 206, 235, 443, 470, 515, 886, 1030, 2215, 4430, 4841, 9682, 20821, 24205, 41642, 45629, 48410, 91258, 104105, 208210, 228145, 456290, 2144563, 4289126, 10722815, 21445630]

約数ペア:

[(1, 21445630), (2, 10722815), (5, 4289126), (10, 2144563), (47, 456290), (94, 228145), (103, 208210), (206, 104105), (235, 91258), (443, 48410), (470, 45629), (515, 41642), (886, 24205), (1030, 20821), (2215, 9682), (4430, 4841)]