21970754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27259}}^1$

素因数の和:27305

約数の個数: 16

約数和(自身を含む): 36637440

約数和(自身を除く): 14666686

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 27259, 54518, 354367, 708734, 845029, 1690058, 10985377, 21970754]

約数ペア:

[(1, 21970754), (2, 10985377), (13, 1690058), (26, 845029), (31, 708734), (62, 354367), (403, 54518), (806, 27259)]