21580872

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 56548800

約数和(自身を除く): 34967928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 101, 116, 174, 202, 232, 303, 307, 348, 404, 606, 614, 696, 808, 921, 1212, 1228, 1842, 2424, 2456, 2929, 3684, 5858, 7368, 8787, 8903, 11716, 17574, 17806, 23432, 26709, 31007, 35148, 35612, 53418, 62014, 70296, 71224, 93021, 106836, 124028, 186042, 213672, 248056, 372084, 744168, 899203, 1798406, 2697609, 3596812, 5395218, 7193624, 10790436, 21580872]

約数ペア:

[(1, 21580872), (2, 10790436), (3, 7193624), (4, 5395218), (6, 3596812), (8, 2697609), (12, 1798406), (24, 899203), (29, 744168), (58, 372084), (87, 248056), (101, 213672), (116, 186042), (174, 124028), (202, 106836), (232, 93021), (303, 71224), (307, 70296), (348, 62014), (404, 53418), (606, 35612), (614, 35148), (696, 31007), (808, 26709), (921, 23432), (1212, 17806), (1228, 17574), (1842, 11716), (2424, 8903), (2456, 8787), (2929, 7368), (3684, 5858)]