21558264

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9871}}^1$

素因数の和:9900

約数の個数: 64

約数和(自身を含む): 66339840

約数和(自身を除く): 44781576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9871, 19742, 29613, 39484, 59226, 69097, 78968, 118452, 128323, 138194, 207291, 236904, 256646, 276388, 384969, 414582, 513292, 552776, 769938, 829164, 898261, 1026584, 1539876, 1658328, 1796522, 2694783, 3079752, 3593044, 5389566, 7186088, 10779132, 21558264]

約数ペア:

[(1, 21558264), (2, 10779132), (3, 7186088), (4, 5389566), (6, 3593044), (7, 3079752), (8, 2694783), (12, 1796522), (13, 1658328), (14, 1539876), (21, 1026584), (24, 898261), (26, 829164), (28, 769938), (39, 552776), (42, 513292), (52, 414582), (56, 384969), (78, 276388), (84, 256646), (91, 236904), (104, 207291), (156, 138194), (168, 128323), (182, 118452), (273, 78968), (312, 69097), (364, 59226), (546, 39484), (728, 29613), (1092, 19742), (2184, 9871)]