20921010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63397}}^1$

素因数の和:63418

約数の個数: 32

約数和(自身を含む): 54775872

約数和(自身を除く): 33854862

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 63397, 126794, 190191, 316985, 380382, 633970, 697367, 950955, 1394734, 1901910, 2092101, 3486835, 4184202, 6973670, 10460505, 20921010]

約数ペア:

[(1, 20921010), (2, 10460505), (3, 6973670), (5, 4184202), (6, 3486835), (10, 2092101), (11, 1901910), (15, 1394734), (22, 950955), (30, 697367), (33, 633970), (55, 380382), (66, 316985), (110, 190191), (165, 126794), (330, 63397)]