21249998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3209}}^1$

素因数の和:3272

約数の個数: 32

約数和(自身を含む): 40677120

約数和(自身を除く): 19427122

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 154, 301, 473, 602, 946, 3209, 3311, 6418, 6622, 22463, 35299, 44926, 70598, 137987, 247093, 275974, 494186, 965909, 1517857, 1931818, 3035714, 10624999, 21249998]

約数ペア:

[(1, 21249998), (2, 10624999), (7, 3035714), (11, 1931818), (14, 1517857), (22, 965909), (43, 494186), (77, 275974), (86, 247093), (154, 137987), (301, 70598), (473, 44926), (602, 35299), (946, 22463), (3209, 6622), (3311, 6418)]