21284338

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{5857}}^1$

素因数の和:5961

約数の個数: 16

約数和(自身を含む): 33742080

約数和(自身を除く): 12457742

約数列:

[1, 2, 23, 46, 79, 158, 1817, 3634, 5857, 11714, 134711, 269422, 462703, 925406, 10642169, 21284338]

約数ペア:

[(1, 21284338), (2, 10642169), (23, 925406), (46, 462703), (79, 269422), (158, 134711), (1817, 11714), (3634, 5857)]