21227910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64327}}^1$

素因数の和:64348

約数の個数: 32

約数和(自身を含む): 55579392

約数和(自身を除く): 34351482

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64327, 128654, 192981, 321635, 385962, 643270, 707597, 964905, 1415194, 1929810, 2122791, 3537985, 4245582, 7075970, 10613955, 21227910]

約数ペア:

[(1, 21227910), (2, 10613955), (3, 7075970), (5, 4245582), (6, 3537985), (10, 2122791), (11, 1929810), (15, 1415194), (22, 964905), (30, 707597), (33, 643270), (55, 385962), (66, 321635), (110, 192981), (165, 128654), (330, 64327)]