21079578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9319}}^1$

素因数の和:9366

約数の個数: 32

約数和(自身を含む): 46972800

約数和(自身を除く): 25893222

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 9319, 18638, 27957, 55914, 121147, 242294, 270251, 363441, 540502, 726882, 810753, 1621506, 3513263, 7026526, 10539789, 21079578]

約数ペア:

[(1, 21079578), (2, 10539789), (3, 7026526), (6, 3513263), (13, 1621506), (26, 810753), (29, 726882), (39, 540502), (58, 363441), (78, 270251), (87, 242294), (174, 121147), (377, 55914), (754, 27957), (1131, 18638), (2262, 9319)]