21155226

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{491}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 43642368

約数和(自身を除く): 22487142

約数列:

[1, 2, 3, 6, 43, 86, 129, 167, 258, 334, 491, 501, 982, 1002, 1473, 2946, 7181, 14362, 21113, 21543, 42226, 43086, 63339, 81997, 126678, 163994, 245991, 491982, 3525871, 7051742, 10577613, 21155226]

約数ペア:

[(1, 21155226), (2, 10577613), (3, 7051742), (6, 3525871), (43, 491982), (86, 245991), (129, 163994), (167, 126678), (258, 81997), (334, 63339), (491, 43086), (501, 42226), (982, 21543), (1002, 21113), (1473, 14362), (2946, 7181)]