21825826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 36858240

約数和(自身を除く): 15032414

約数列:

[1, 2, 11, 22, 71, 89, 142, 157, 178, 314, 781, 979, 1562, 1727, 1958, 3454, 6319, 11147, 12638, 13973, 22294, 27946, 69509, 122617, 139018, 153703, 245234, 307406, 992083, 1984166, 10912913, 21825826]

約数ペア:

[(1, 21825826), (2, 10912913), (11, 1984166), (22, 992083), (71, 307406), (89, 245234), (142, 153703), (157, 139018), (178, 122617), (314, 69509), (781, 27946), (979, 22294), (1562, 13973), (1727, 12638), (1958, 11147), (3454, 6319)]