21731182

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 37718784

約数和(自身を除く): 15987602

約数列:

[1, 2, 11, 22, 23, 46, 67, 134, 253, 506, 641, 737, 1282, 1474, 1541, 3082, 7051, 14102, 14743, 16951, 29486, 33902, 42947, 85894, 162173, 324346, 472417, 944834, 987781, 1975562, 10865591, 21731182]

約数ペア:

[(1, 21731182), (2, 10865591), (11, 1975562), (22, 987781), (23, 944834), (46, 472417), (67, 324346), (134, 162173), (253, 85894), (506, 42947), (641, 33902), (737, 29486), (1282, 16951), (1474, 14743), (1541, 14102), (3082, 7051)]