21108304

素因数分解:

$2^4\times 7^1\times {\mathrm{229}}^1\times {\mathrm{823}}^1$

素因数の和:1067

約数の個数: 40

約数和(自身を含む): 47000960

約数和(自身を除く): 25892656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 229, 458, 823, 916, 1603, 1646, 1832, 3206, 3292, 3664, 5761, 6412, 6584, 11522, 12824, 13168, 23044, 25648, 46088, 92176, 188467, 376934, 753868, 1319269, 1507736, 2638538, 3015472, 5277076, 10554152, 21108304]

約数ペア:

[(1, 21108304), (2, 10554152), (4, 5277076), (7, 3015472), (8, 2638538), (14, 1507736), (16, 1319269), (28, 753868), (56, 376934), (112, 188467), (229, 92176), (458, 46088), (823, 25648), (916, 23044), (1603, 13168), (1646, 12824), (1832, 11522), (3206, 6584), (3292, 6412), (3664, 5761)]