21288041

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 23301120

約数和(自身を除く): 2013079

約数列:

[1, 23, 31, 73, 409, 713, 1679, 2263, 9407, 12679, 29857, 52049, 291617, 686711, 925567, 21288041]

約数ペア:

[(1, 21288041), (23, 925567), (31, 686711), (73, 291617), (409, 52049), (713, 29857), (1679, 12679), (2263, 9407)]