21683660

素因数分解:

$2^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1879}}^1$

素因数の和:2465

約数の個数: 24

約数和(自身を含む): 45638880

約数和(自身を除く): 23955220

約数列:

[1, 2, 4, 5, 10, 20, 577, 1154, 1879, 2308, 2885, 3758, 5770, 7516, 9395, 11540, 18790, 37580, 1084183, 2168366, 4336732, 5420915, 10841830, 21683660]

約数ペア:

[(1, 21683660), (2, 10841830), (4, 5420915), (5, 4336732), (10, 2168366), (20, 1084183), (577, 37580), (1154, 18790), (1879, 11540), (2308, 9395), (2885, 7516), (3758, 5770)]