21302414

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 17059186

約数列:

[1, 2, 7, 14, 29, 58, 71, 142, 203, 406, 497, 739, 994, 1478, 2059, 4118, 5173, 10346, 14413, 21431, 28826, 42862, 52469, 104938, 150017, 300034, 367283, 734566, 1521601, 3043202, 10651207, 21302414]

約数ペア:

[(1, 21302414), (2, 10651207), (7, 3043202), (14, 1521601), (29, 734566), (58, 367283), (71, 300034), (142, 150017), (203, 104938), (406, 52469), (497, 42862), (739, 28826), (994, 21431), (1478, 14413), (2059, 10346), (4118, 5173)]