21236536

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{156151}}^1$

素因数の和:156174

約数の個数: 16

約数和(自身を含む): 42161040

約数和(自身を除く): 20924504

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 156151, 312302, 624604, 1249208, 2654567, 5309134, 10618268, 21236536]

約数ペア:

[(1, 21236536), (2, 10618268), (4, 5309134), (8, 2654567), (17, 1249208), (34, 624604), (68, 312302), (136, 156151)]