21056904

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{2417}}^1$

素因数の和:2451

約数の個数: 72

約数和(自身を含む): 62710830

約数和(自身を除く): 41653926

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2178, 2417, 2904, 4356, 4834, 7251, 8712, 9668, 14502, 19336, 21753, 26587, 29004, 43506, 53174, 58008, 79761, 87012, 106348, 159522, 174024, 212696, 239283, 292457, 319044, 478566, 584914, 638088, 877371, 957132, 1169828, 1754742, 1914264, 2339656, 2632113, 3509484, 5264226, 7018968, 10528452, 21056904]

約数ペア:

[(1, 21056904), (2, 10528452), (3, 7018968), (4, 5264226), (6, 3509484), (8, 2632113), (9, 2339656), (11, 1914264), (12, 1754742), (18, 1169828), (22, 957132), (24, 877371), (33, 638088), (36, 584914), (44, 478566), (66, 319044), (72, 292457), (88, 239283), (99, 212696), (121, 174024), (132, 159522), (198, 106348), (242, 87012), (264, 79761), (363, 58008), (396, 53174), (484, 43506), (726, 29004), (792, 26587), (968, 21753), (1089, 19336), (1452, 14502), (2178, 9668), (2417, 8712), (2904, 7251), (4356, 4834)]