21807226

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1553}}^1$

素因数の和:1638

約数の個数: 32

約数和(自身を含む): 40279680

約数和(自身を除く): 18472454

約数列:

[1, 2, 7, 14, 17, 34, 59, 118, 119, 238, 413, 826, 1003, 1553, 2006, 3106, 7021, 10871, 14042, 21742, 26401, 52802, 91627, 183254, 184807, 369614, 641389, 1282778, 1557659, 3115318, 10903613, 21807226]

約数ペア:

[(1, 21807226), (2, 10903613), (7, 3115318), (14, 1557659), (17, 1282778), (34, 641389), (59, 369614), (118, 184807), (119, 183254), (238, 91627), (413, 52802), (826, 26401), (1003, 21742), (1553, 14042), (2006, 10871), (3106, 7021)]