21663838

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3541}}^1$

素因数の和:3592

約数の個数: 32

約数和(自身を含む): 40803840

約数和(自身を除く): 19140002

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 133, 161, 266, 322, 437, 874, 3059, 3541, 6118, 7082, 24787, 49574, 67279, 81443, 134558, 162886, 470953, 570101, 941906, 1140202, 1547417, 3094834, 10831919, 21663838]

約数ペア:

[(1, 21663838), (2, 10831919), (7, 3094834), (14, 1547417), (19, 1140202), (23, 941906), (38, 570101), (46, 470953), (133, 162886), (161, 134558), (266, 81443), (322, 67279), (437, 49574), (874, 24787), (3059, 7082), (3541, 6118)]