21081144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4327}}^1$

素因数の和:4372

約数の個数: 64

約数和(自身を含む): 62323200

約数和(自身を除く): 41242056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 168, 174, 203, 232, 348, 406, 609, 696, 812, 1218, 1624, 2436, 4327, 4872, 8654, 12981, 17308, 25962, 30289, 34616, 51924, 60578, 90867, 103848, 121156, 125483, 181734, 242312, 250966, 363468, 376449, 501932, 726936, 752898, 878381, 1003864, 1505796, 1756762, 2635143, 3011592, 3513524, 5270286, 7027048, 10540572, 21081144]

約数ペア:

[(1, 21081144), (2, 10540572), (3, 7027048), (4, 5270286), (6, 3513524), (7, 3011592), (8, 2635143), (12, 1756762), (14, 1505796), (21, 1003864), (24, 878381), (28, 752898), (29, 726936), (42, 501932), (56, 376449), (58, 363468), (84, 250966), (87, 242312), (116, 181734), (168, 125483), (174, 121156), (203, 103848), (232, 90867), (348, 60578), (406, 51924), (609, 34616), (696, 30289), (812, 25962), (1218, 17308), (1624, 12981), (2436, 8654), (4327, 4872)]