21894444

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4253}}^1$

素因数の和:4287

約数の個数: 72

約数和(自身を含む): 65035152

約数和(自身を除く): 43140708

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 4253, 5148, 8506, 12759, 17012, 25518, 38277, 46783, 51036, 55289, 76554, 93566, 110578, 140349, 153108, 165867, 187132, 221156, 280698, 331734, 421047, 497601, 561396, 608179, 663468, 842094, 995202, 1216358, 1684188, 1824537, 1990404, 2432716, 3649074, 5473611, 7298148, 10947222, 21894444]

約数ペア:

[(1, 21894444), (2, 10947222), (3, 7298148), (4, 5473611), (6, 3649074), (9, 2432716), (11, 1990404), (12, 1824537), (13, 1684188), (18, 1216358), (22, 995202), (26, 842094), (33, 663468), (36, 608179), (39, 561396), (44, 497601), (52, 421047), (66, 331734), (78, 280698), (99, 221156), (117, 187132), (132, 165867), (143, 153108), (156, 140349), (198, 110578), (234, 93566), (286, 76554), (396, 55289), (429, 51036), (468, 46783), (572, 38277), (858, 25518), (1287, 17012), (1716, 12759), (2574, 8506), (4253, 5148)]