21326624

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1473

約数の個数: 48

約数和(自身を含む): 46902240

約数和(自身を除く): 25575616

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 946, 1376, 1409, 1892, 2818, 3784, 5636, 7568, 11272, 15136, 15499, 22544, 30998, 45088, 60587, 61996, 121174, 123992, 242348, 247984, 484696, 495968, 666457, 969392, 1332914, 1938784, 2665828, 5331656, 10663312, 21326624]

約数ペア:

[(1, 21326624), (2, 10663312), (4, 5331656), (8, 2665828), (11, 1938784), (16, 1332914), (22, 969392), (32, 666457), (43, 495968), (44, 484696), (86, 247984), (88, 242348), (172, 123992), (176, 121174), (344, 61996), (352, 60587), (473, 45088), (688, 30998), (946, 22544), (1376, 15499), (1409, 15136), (1892, 11272), (2818, 7568), (3784, 5636)]