21252935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{787}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 27914112

約数和(自身を除く): 6661177

約数列:

[1, 5, 11, 55, 491, 787, 2455, 3935, 5401, 8657, 27005, 43285, 386417, 1932085, 4250587, 21252935]

約数ペア:

[(1, 21252935), (5, 4250587), (11, 1932085), (55, 386417), (491, 43285), (787, 27005), (2455, 8657), (3935, 5401)]