21308616

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{829}}^1$

素因数の和:868

約数の個数: 128

約数和(自身を含む): 71712000

約数和(自身を除く): 50403384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 42, 51, 54, 56, 63, 68, 72, 84, 102, 108, 119, 126, 136, 153, 168, 189, 204, 216, 238, 252, 306, 357, 378, 408, 459, 476, 504, 612, 714, 756, 829, 918, 952, 1071, 1224, 1428, 1512, 1658, 1836, 2142, 2487, 2856, 3213, 3316, 3672, 4284, 4974, 5803, 6426, 6632, 7461, 8568, 9948, 11606, 12852, 14093, 14922, 17409, 19896, 22383, 23212, 25704, 28186, 29844, 34818, 42279, 44766, 46424, 52227, 56372, 59688, 69636, 84558, 89532, 98651, 104454, 112744, 126837, 139272, 156681, 169116, 179064, 197302, 208908, 253674, 295953, 313362, 338232, 380511, 394604, 417816, 507348, 591906, 626724, 761022, 789208, 887859, 1014696, 1183812, 1253448, 1522044, 1775718, 2367624, 2663577, 3044088, 3551436, 5327154, 7102872, 10654308, 21308616]

約数ペア:

[(1, 21308616), (2, 10654308), (3, 7102872), (4, 5327154), (6, 3551436), (7, 3044088), (8, 2663577), (9, 2367624), (12, 1775718), (14, 1522044), (17, 1253448), (18, 1183812), (21, 1014696), (24, 887859), (27, 789208), (28, 761022), (34, 626724), (36, 591906), (42, 507348), (51, 417816), (54, 394604), (56, 380511), (63, 338232), (68, 313362), (72, 295953), (84, 253674), (102, 208908), (108, 197302), (119, 179064), (126, 169116), (136, 156681), (153, 139272), (168, 126837), (189, 112744), (204, 104454), (216, 98651), (238, 89532), (252, 84558), (306, 69636), (357, 59688), (378, 56372), (408, 52227), (459, 46424), (476, 44766), (504, 42279), (612, 34818), (714, 29844), (756, 28186), (829, 25704), (918, 23212), (952, 22383), (1071, 19896), (1224, 17409), (1428, 14922), (1512, 14093), (1658, 12852), (1836, 11606), (2142, 9948), (2487, 8568), (2856, 7461), (3213, 6632), (3316, 6426), (3672, 5803), (4284, 4974)]