21690391968

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{587}}^1\times {\mathrm{18329}}^1$

素因数の和:18939

約数の個数: 144

約数和(自身を含む): 70617718080

約数和(自身を除く): 48927326112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 587, 672, 1008, 1174, 1761, 2016, 2348, 3522, 4109, 4696, 5283, 7044, 8218, 9392, 10566, 12327, 14088, 16436, 18329, 18784, 21132, 24654, 28176, 32872, 36658, 36981, 42264, 49308, 54987, 56352, 65744, 73316, 73962, 84528, 98616, 109974, 128303, 131488, 146632, 147924, 164961, 169056, 197232, 219948, 256606, 293264, 295848, 329922, 384909, 394464, 439896, 513212, 586528, 591696, 659844, 769818, 879792, 1026424, 1154727, 1183392, 1319688, 1539636, 1759584, 2052848, 2309454, 2639376, 3079272, 4105696, 4618908, 5278752, 6158544, 9237816, 10759123, 12317088, 18475632, 21518246, 32277369, 36951264, 43036492, 64554738, 75313861, 86072984, 96832107, 129109476, 150627722, 172145968, 193664214, 225941583, 258218952, 301255444, 344291936, 387328428, 451883166, 516437904, 602510888, 677824749, 774656856, 903766332, 1032875808, 1205021776, 1355649498, 1549313712, 1807532664, 2410043552, 2711298996, 3098627424, 3615065328, 5422597992, 7230130656, 10845195984, 21690391968]

約数ペア:

[(1, 21690391968), (2, 10845195984), (3, 7230130656), (4, 5422597992), (6, 3615065328), (7, 3098627424), (8, 2711298996), (9, 2410043552), (12, 1807532664), (14, 1549313712), (16, 1355649498), (18, 1205021776), (21, 1032875808), (24, 903766332), (28, 774656856), (32, 677824749), (36, 602510888), (42, 516437904), (48, 451883166), (56, 387328428), (63, 344291936), (72, 301255444), (84, 258218952), (96, 225941583), (112, 193664214), (126, 172145968), (144, 150627722), (168, 129109476), (224, 96832107), (252, 86072984), (288, 75313861), (336, 64554738), (504, 43036492), (587, 36951264), (672, 32277369), (1008, 21518246), (1174, 18475632), (1761, 12317088), (2016, 10759123), (2348, 9237816), (3522, 6158544), (4109, 5278752), (4696, 4618908), (5283, 4105696), (7044, 3079272), (8218, 2639376), (9392, 2309454), (10566, 2052848), (12327, 1759584), (14088, 1539636), (16436, 1319688), (18329, 1183392), (18784, 1154727), (21132, 1026424), (24654, 879792), (28176, 769818), (32872, 659844), (36658, 591696), (36981, 586528), (42264, 513212), (49308, 439896), (54987, 394464), (56352, 384909), (65744, 329922), (73316, 295848), (73962, 293264), (84528, 256606), (98616, 219948), (109974, 197232), (128303, 169056), (131488, 164961), (146632, 147924)]