21071696

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9613}}^1$

素因数の和:9758

約数の個数: 20

約数和(自身を含む): 41128692

約数和(自身を除く): 20056996

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9613, 19226, 38452, 76904, 153808, 1316981, 2633962, 5267924, 10535848, 21071696]

約数ペア:

[(1, 21071696), (2, 10535848), (4, 5267924), (8, 2633962), (16, 1316981), (137, 153808), (274, 76904), (548, 38452), (1096, 19226), (2192, 9613)]