21228460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96493}}^1$

素因数の和:96513

約数の個数: 24

約数和(自身を含む): 48632976

約数和(自身を除く): 27404516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96493, 192986, 385972, 482465, 964930, 1061423, 1929860, 2122846, 4245692, 5307115, 10614230, 21228460]

約数ペア:

[(1, 21228460), (2, 10614230), (4, 5307115), (5, 4245692), (10, 2122846), (11, 1929860), (20, 1061423), (22, 964930), (44, 482465), (55, 385972), (110, 192986), (220, 96493)]