21822295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{12799}}^1$

素因数の和:12846

約数の個数: 16

約数和(自身を含む): 29491200

約数和(自身を除く): 7668905

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 12799, 63995, 140789, 396769, 703945, 1983845, 4364459, 21822295]

約数ペア:

[(1, 21822295), (5, 4364459), (11, 1983845), (31, 703945), (55, 396769), (155, 140789), (341, 63995), (1705, 12799)]