21993036

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8293}}^1$

素因数の和:8330

約数の個数: 48

約数和(自身を含む): 58522464

約数和(自身を除く): 36529428

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 8293, 16586, 24879, 33172, 49758, 99516, 107809, 140981, 215618, 281962, 323427, 422943, 431236, 563924, 646854, 845886, 1293708, 1691772, 1832753, 3665506, 5498259, 7331012, 10996518, 21993036]

約数ペア:

[(1, 21993036), (2, 10996518), (3, 7331012), (4, 5498259), (6, 3665506), (12, 1832753), (13, 1691772), (17, 1293708), (26, 845886), (34, 646854), (39, 563924), (51, 431236), (52, 422943), (68, 323427), (78, 281962), (102, 215618), (156, 140981), (204, 107809), (221, 99516), (442, 49758), (663, 33172), (884, 24879), (1326, 16586), (2652, 8293)]