21743946

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:388

約数の個数: 72

約数和(自身を含む): 55619460

約数和(自身を除く): 33875514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 89, 98, 126, 147, 178, 267, 277, 294, 441, 534, 554, 623, 801, 831, 882, 1246, 1602, 1662, 1869, 1939, 2493, 3738, 3878, 4361, 4986, 5607, 5817, 8722, 11214, 11634, 13083, 13573, 17451, 24653, 26166, 27146, 34902, 39249, 40719, 49306, 73959, 78498, 81438, 122157, 147918, 172571, 221877, 244314, 345142, 443754, 517713, 1035426, 1207997, 1553139, 2415994, 3106278, 3623991, 7247982, 10871973, 21743946]

約数ペア:

[(1, 21743946), (2, 10871973), (3, 7247982), (6, 3623991), (7, 3106278), (9, 2415994), (14, 1553139), (18, 1207997), (21, 1035426), (42, 517713), (49, 443754), (63, 345142), (89, 244314), (98, 221877), (126, 172571), (147, 147918), (178, 122157), (267, 81438), (277, 78498), (294, 73959), (441, 49306), (534, 40719), (554, 39249), (623, 34902), (801, 27146), (831, 26166), (882, 24653), (1246, 17451), (1602, 13573), (1662, 13083), (1869, 11634), (1939, 11214), (2493, 8722), (3738, 5817), (3878, 5607), (4361, 4986)]