22028391

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 42681600

約数和(自身を除く): 20653209

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 49, 57, 63, 77, 99, 133, 147, 171, 209, 231, 239, 399, 441, 539, 627, 693, 717, 931, 1197, 1463, 1617, 1673, 1881, 2151, 2629, 2793, 4389, 4541, 4851, 5019, 7887, 8379, 10241, 11711, 13167, 13623, 15057, 18403, 23661, 30723, 31787, 35133, 40869, 49951, 55209, 92169, 95361, 105399, 128821, 149853, 165627, 222509, 286083, 349657, 386463, 449559, 667527, 1048971, 1159389, 2002581, 2447599, 3146913, 7342797, 22028391]

約数ペア:

[(1, 22028391), (3, 7342797), (7, 3146913), (9, 2447599), (11, 2002581), (19, 1159389), (21, 1048971), (33, 667527), (49, 449559), (57, 386463), (63, 349657), (77, 286083), (99, 222509), (133, 165627), (147, 149853), (171, 128821), (209, 105399), (231, 95361), (239, 92169), (399, 55209), (441, 49951), (539, 40869), (627, 35133), (693, 31787), (717, 30723), (931, 23661), (1197, 18403), (1463, 15057), (1617, 13623), (1673, 13167), (1881, 11711), (2151, 10241), (2629, 8379), (2793, 7887), (4389, 5019), (4541, 4851)]