21365316

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:558

約数の個数: 96

約数和(自身を含む): 64512000

約数和(自身を除く): 43146684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 59, 63, 84, 108, 118, 126, 177, 189, 236, 252, 354, 378, 413, 479, 531, 708, 756, 826, 958, 1062, 1239, 1437, 1593, 1652, 1916, 2124, 2478, 2874, 3186, 3353, 3717, 4311, 4956, 5748, 6372, 6706, 7434, 8622, 10059, 11151, 12933, 13412, 14868, 17244, 20118, 22302, 25866, 28261, 30177, 40236, 44604, 51732, 56522, 60354, 84783, 90531, 113044, 120708, 169566, 181062, 197827, 254349, 339132, 362124, 395654, 508698, 593481, 763047, 791308, 1017396, 1186962, 1526094, 1780443, 2373924, 3052188, 3560886, 5341329, 7121772, 10682658, 21365316]

約数ペア:

[(1, 21365316), (2, 10682658), (3, 7121772), (4, 5341329), (6, 3560886), (7, 3052188), (9, 2373924), (12, 1780443), (14, 1526094), (18, 1186962), (21, 1017396), (27, 791308), (28, 763047), (36, 593481), (42, 508698), (54, 395654), (59, 362124), (63, 339132), (84, 254349), (108, 197827), (118, 181062), (126, 169566), (177, 120708), (189, 113044), (236, 90531), (252, 84783), (354, 60354), (378, 56522), (413, 51732), (479, 44604), (531, 40236), (708, 30177), (756, 28261), (826, 25866), (958, 22302), (1062, 20118), (1239, 17244), (1437, 14868), (1593, 13412), (1652, 12933), (1916, 11151), (2124, 10059), (2478, 8622), (2874, 7434), (3186, 6706), (3353, 6372), (3717, 5748), (4311, 4956)]