21960352

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{1901}}^1$

素因数の和:1949

約数の個数: 36

約数和(自身を含む): 45653706

約数和(自身を除く): 23693354

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 361, 608, 722, 1444, 1901, 2888, 3802, 5776, 7604, 11552, 15208, 30416, 36119, 60832, 72238, 144476, 288952, 577904, 686261, 1155808, 1372522, 2745044, 5490088, 10980176, 21960352]

約数ペア:

[(1, 21960352), (2, 10980176), (4, 5490088), (8, 2745044), (16, 1372522), (19, 1155808), (32, 686261), (38, 577904), (76, 288952), (152, 144476), (304, 72238), (361, 60832), (608, 36119), (722, 30416), (1444, 15208), (1901, 11552), (2888, 7604), (3802, 5776)]