21899218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 15114542

約数列:

[1, 2, 11, 22, 67, 83, 134, 166, 179, 358, 737, 913, 1474, 1826, 1969, 3938, 5561, 11122, 11993, 14857, 23986, 29714, 61171, 122342, 131923, 163427, 263846, 326854, 995419, 1990838, 10949609, 21899218]

約数ペア:

[(1, 21899218), (2, 10949609), (11, 1990838), (22, 995419), (67, 326854), (83, 263846), (134, 163427), (166, 131923), (179, 122342), (358, 61171), (737, 29714), (913, 23986), (1474, 14857), (1826, 11993), (1969, 11122), (3938, 5561)]