21656844

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3217}}^1$

素因数の和:3255

約数の個数: 72

約数和(自身を含む): 63253008

約数和(自身を除く): 41596164

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 132, 153, 187, 198, 204, 306, 374, 396, 561, 612, 748, 1122, 1683, 2244, 3217, 3366, 6434, 6732, 9651, 12868, 19302, 28953, 35387, 38604, 54689, 57906, 70774, 106161, 109378, 115812, 141548, 164067, 212322, 218756, 318483, 328134, 424644, 492201, 601579, 636966, 656268, 984402, 1203158, 1273932, 1804737, 1968804, 2406316, 3609474, 5414211, 7218948, 10828422, 21656844]

約数ペア:

[(1, 21656844), (2, 10828422), (3, 7218948), (4, 5414211), (6, 3609474), (9, 2406316), (11, 1968804), (12, 1804737), (17, 1273932), (18, 1203158), (22, 984402), (33, 656268), (34, 636966), (36, 601579), (44, 492201), (51, 424644), (66, 328134), (68, 318483), (99, 218756), (102, 212322), (132, 164067), (153, 141548), (187, 115812), (198, 109378), (204, 106161), (306, 70774), (374, 57906), (396, 54689), (561, 38604), (612, 35387), (748, 28953), (1122, 19302), (1683, 12868), (2244, 9651), (3217, 6732), (3366, 6434)]