21502544

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1699}}^1$

素因数の和:1827

約数の個数: 40

約数和(自身を含む): 48062400

約数和(自身を除く): 26559856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1582, 1699, 1808, 3164, 3398, 6328, 6796, 11893, 12656, 13592, 23786, 27184, 47572, 95144, 190288, 191987, 383974, 767948, 1343909, 1535896, 2687818, 3071792, 5375636, 10751272, 21502544]

約数ペア:

[(1, 21502544), (2, 10751272), (4, 5375636), (7, 3071792), (8, 2687818), (14, 1535896), (16, 1343909), (28, 767948), (56, 383974), (112, 191987), (113, 190288), (226, 95144), (452, 47572), (791, 27184), (904, 23786), (1582, 13592), (1699, 12656), (1808, 11893), (3164, 6796), (3398, 6328)]