21396506

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15349}}^1$

素因数の和:15409

約数の個数: 16

約数和(自身を含む): 34813800

約数和(自身を除く): 13417294

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 15349, 30698, 260933, 521866, 629309, 1258618, 10698253, 21396506]

約数ペア:

[(1, 21396506), (2, 10698253), (17, 1258618), (34, 629309), (41, 521866), (82, 260933), (697, 30698), (1394, 15349)]