21859660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47521}}^1$

素因数の和:47553

約数の個数: 24

約数和(自身を含む): 47902176

約数和(自身を除く): 26042516

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 47521, 95042, 190084, 237605, 475210, 950420, 1092983, 2185966, 4371932, 5464915, 10929830, 21859660]

約数ペア:

[(1, 21859660), (2, 10929830), (4, 5464915), (5, 4371932), (10, 2185966), (20, 1092983), (23, 950420), (46, 475210), (92, 237605), (115, 190084), (230, 95042), (460, 47521)]