21899724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 64544256

約数和(自身を除く): 42644532

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 137, 154, 173, 231, 274, 308, 346, 411, 462, 519, 548, 692, 822, 924, 959, 1038, 1211, 1507, 1644, 1903, 1918, 2076, 2422, 2877, 3014, 3633, 3806, 3836, 4521, 4844, 5709, 5754, 6028, 7266, 7612, 9042, 10549, 11418, 11508, 13321, 14532, 18084, 21098, 22836, 23701, 26642, 31647, 39963, 42196, 47402, 53284, 63294, 71103, 79926, 94804, 126588, 142206, 159852, 165907, 260711, 284412, 331814, 497721, 521422, 663628, 782133, 995442, 1042844, 1564266, 1824977, 1990884, 3128532, 3649954, 5474931, 7299908, 10949862, 21899724]

約数ペア:

[(1, 21899724), (2, 10949862), (3, 7299908), (4, 5474931), (6, 3649954), (7, 3128532), (11, 1990884), (12, 1824977), (14, 1564266), (21, 1042844), (22, 995442), (28, 782133), (33, 663628), (42, 521422), (44, 497721), (66, 331814), (77, 284412), (84, 260711), (132, 165907), (137, 159852), (154, 142206), (173, 126588), (231, 94804), (274, 79926), (308, 71103), (346, 63294), (411, 53284), (462, 47402), (519, 42196), (548, 39963), (692, 31647), (822, 26642), (924, 23701), (959, 22836), (1038, 21098), (1211, 18084), (1507, 14532), (1644, 13321), (1903, 11508), (1918, 11418), (2076, 10549), (2422, 9042), (2877, 7612), (3014, 7266), (3633, 6028), (3806, 5754), (3836, 5709), (4521, 4844)]