21298104

素因数分解:

$2^3\times 3^2\times {\mathrm{257}}^1\times {\mathrm{1151}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 57957120

約数和(自身を除く): 36659016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 257, 514, 771, 1028, 1151, 1542, 2056, 2302, 2313, 3084, 3453, 4604, 4626, 6168, 6906, 9208, 9252, 10359, 13812, 18504, 20718, 27624, 41436, 82872, 295807, 591614, 887421, 1183228, 1774842, 2366456, 2662263, 3549684, 5324526, 7099368, 10649052, 21298104]

約数ペア:

[(1, 21298104), (2, 10649052), (3, 7099368), (4, 5324526), (6, 3549684), (8, 2662263), (9, 2366456), (12, 1774842), (18, 1183228), (24, 887421), (36, 591614), (72, 295807), (257, 82872), (514, 41436), (771, 27624), (1028, 20718), (1151, 18504), (1542, 13812), (2056, 10359), (2302, 9252), (2313, 9208), (3084, 6906), (3453, 6168), (4604, 4626)]