21242463

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{2671}}^1$

素因数の和:2926

約数の個数: 16

約数和(自身を含む): 31037952

約数和(自身を除く): 9795489

約数列:

[1, 3, 11, 33, 241, 723, 2651, 2671, 7953, 8013, 29381, 88143, 643711, 1931133, 7080821, 21242463]

約数ペア:

[(1, 21242463), (3, 7080821), (11, 1931133), (33, 643711), (241, 88143), (723, 29381), (2651, 8013), (2671, 7953)]