21266340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{354439}}^1$

素因数の和:354451

約数の個数: 24

約数和(自身を含む): 59545920

約数和(自身を除く): 38279580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 354439, 708878, 1063317, 1417756, 1772195, 2126634, 3544390, 4253268, 5316585, 7088780, 10633170, 21266340]

約数ペア:

[(1, 21266340), (2, 10633170), (3, 7088780), (4, 5316585), (5, 4253268), (6, 3544390), (10, 2126634), (12, 1772195), (15, 1417756), (20, 1063317), (30, 708878), (60, 354439)]