21490142

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{27481}}^1$

素因数の和:27523

約数の個数: 16

約数和(自身を含む): 35616672

約数和(自身を除く): 14126530

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 27481, 54962, 467177, 632063, 934354, 1264126, 10745071, 21490142]

約数ペア:

[(1, 21490142), (2, 10745071), (17, 1264126), (23, 934354), (34, 632063), (46, 467177), (391, 54962), (782, 27481)]