21423766

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2221}}^1$

素因数の和:2296

約数の個数: 32

約数和(自身を含む): 40315968

約数和(自身を除く): 18892202

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 182, 371, 689, 742, 1378, 2221, 4442, 4823, 9646, 15547, 28873, 31094, 57746, 117713, 202111, 235426, 404222, 823991, 1530269, 1647982, 3060538, 10711883, 21423766]

約数ペア:

[(1, 21423766), (2, 10711883), (7, 3060538), (13, 1647982), (14, 1530269), (26, 823991), (53, 404222), (91, 235426), (106, 202111), (182, 117713), (371, 57746), (689, 31094), (742, 28873), (1378, 15547), (2221, 9646), (4442, 4823)]