21433815

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 44029440

約数和(自身を除く): 22595625

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 59, 65, 69, 81, 115, 117, 135, 177, 195, 207, 243, 295, 299, 345, 351, 405, 531, 585, 621, 767, 885, 897, 1035, 1053, 1215, 1357, 1495, 1593, 1755, 1863, 2301, 2655, 2691, 3105, 3159, 3835, 4071, 4485, 4779, 5265, 5589, 6785, 6903, 7965, 8073, 9315, 11505, 12213, 13455, 14337, 15795, 17641, 20355, 20709, 23895, 24219, 27945, 34515, 36639, 40365, 52923, 61065, 62127, 71685, 72657, 88205, 103545, 109917, 121095, 158769, 183195, 186381, 264615, 310635, 329751, 363285, 476307, 549585, 793845, 931905, 1428921, 1648755, 2381535, 4286763, 7144605, 21433815]

約数ペア:

[(1, 21433815), (3, 7144605), (5, 4286763), (9, 2381535), (13, 1648755), (15, 1428921), (23, 931905), (27, 793845), (39, 549585), (45, 476307), (59, 363285), (65, 329751), (69, 310635), (81, 264615), (115, 186381), (117, 183195), (135, 158769), (177, 121095), (195, 109917), (207, 103545), (243, 88205), (295, 72657), (299, 71685), (345, 62127), (351, 61065), (405, 52923), (531, 40365), (585, 36639), (621, 34515), (767, 27945), (885, 24219), (897, 23895), (1035, 20709), (1053, 20355), (1215, 17641), (1357, 15795), (1495, 14337), (1593, 13455), (1755, 12213), (1863, 11505), (2301, 9315), (2655, 8073), (2691, 7965), (3105, 6903), (3159, 6785), (3835, 5589), (4071, 5265), (4485, 4779)]