21625814

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{12163}}^1$

素因数の和:12299

約数の個数: 16

約数和(自身を含む): 37367808

約数和(自身を除く): 15741994

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 12163, 24326, 85141, 170282, 1544701, 3089402, 10812907, 21625814]

約数ペア:

[(1, 21625814), (2, 10812907), (7, 3089402), (14, 1544701), (127, 170282), (254, 85141), (889, 24326), (1778, 12163)]