21163300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 49684320

約数和(自身を除く): 28521020

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 59, 68, 85, 100, 118, 170, 211, 236, 295, 340, 422, 425, 590, 844, 850, 1003, 1055, 1180, 1475, 1700, 2006, 2110, 2950, 3587, 4012, 4220, 5015, 5275, 5900, 7174, 10030, 10550, 12449, 14348, 17935, 20060, 21100, 24898, 25075, 35870, 49796, 50150, 62245, 71740, 89675, 100300, 124490, 179350, 211633, 248980, 311225, 358700, 423266, 622450, 846532, 1058165, 1244900, 2116330, 4232660, 5290825, 10581650, 21163300]

約数ペア:

[(1, 21163300), (2, 10581650), (4, 5290825), (5, 4232660), (10, 2116330), (17, 1244900), (20, 1058165), (25, 846532), (34, 622450), (50, 423266), (59, 358700), (68, 311225), (85, 248980), (100, 211633), (118, 179350), (170, 124490), (211, 100300), (236, 89675), (295, 71740), (340, 62245), (422, 50150), (425, 49796), (590, 35870), (844, 25075), (850, 24898), (1003, 21100), (1055, 20060), (1180, 17935), (1475, 14348), (1700, 12449), (2006, 10550), (2110, 10030), (2950, 7174), (3587, 5900), (4012, 5275), (4220, 5015)]