21659550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13127}}^1$

素因数の和:13153

約数の個数: 48

約数和(自身を含む): 58603392

約数和(自身を除く): 36943842

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 13127, 26254, 39381, 65635, 78762, 131270, 144397, 196905, 288794, 328175, 393810, 433191, 656350, 721985, 866382, 984525, 1443970, 1969050, 2165955, 3609925, 4331910, 7219850, 10829775, 21659550]

約数ペア:

[(1, 21659550), (2, 10829775), (3, 7219850), (5, 4331910), (6, 3609925), (10, 2165955), (11, 1969050), (15, 1443970), (22, 984525), (25, 866382), (30, 721985), (33, 656350), (50, 433191), (55, 393810), (66, 328175), (75, 288794), (110, 196905), (150, 144397), (165, 131270), (275, 78762), (330, 65635), (550, 39381), (825, 26254), (1650, 13127)]