21947490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2803}}^1$

素因数の和:2848

約数の個数: 64

約数和(自身を含む): 60566400

約数和(自身を除く): 38618910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 261, 270, 290, 435, 522, 783, 870, 1305, 1566, 2610, 2803, 3915, 5606, 7830, 8409, 14015, 16818, 25227, 28030, 42045, 50454, 75681, 81287, 84090, 126135, 151362, 162574, 243861, 252270, 378405, 406435, 487722, 731583, 756810, 812870, 1219305, 1463166, 2194749, 2438610, 3657915, 4389498, 7315830, 10973745, 21947490]

約数ペア:

[(1, 21947490), (2, 10973745), (3, 7315830), (5, 4389498), (6, 3657915), (9, 2438610), (10, 2194749), (15, 1463166), (18, 1219305), (27, 812870), (29, 756810), (30, 731583), (45, 487722), (54, 406435), (58, 378405), (87, 252270), (90, 243861), (135, 162574), (145, 151362), (174, 126135), (261, 84090), (270, 81287), (290, 75681), (435, 50454), (522, 42045), (783, 28030), (870, 25227), (1305, 16818), (1566, 14015), (2610, 8409), (2803, 7830), (3915, 5606)]