21854360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49669}}^1$

素因数の和:49691

約数の個数: 32

約数和(自身を含む): 53643600

約数和(自身を除く): 31789240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 49669, 99338, 198676, 248345, 397352, 496690, 546359, 993380, 1092718, 1986760, 2185436, 2731795, 4370872, 5463590, 10927180, 21854360]

約数ペア:

[(1, 21854360), (2, 10927180), (4, 5463590), (5, 4370872), (8, 2731795), (10, 2185436), (11, 1986760), (20, 1092718), (22, 993380), (40, 546359), (44, 496690), (55, 397352), (88, 248345), (110, 198676), (220, 99338), (440, 49669)]