21094860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^2\times {\mathrm{101}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 60678576

約数和(自身を除く): 39583716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 101, 118, 177, 202, 236, 295, 303, 354, 404, 505, 590, 606, 708, 885, 1010, 1180, 1212, 1515, 1770, 2020, 3030, 3481, 3540, 5959, 6060, 6962, 10443, 11918, 13924, 17405, 17877, 20886, 23836, 29795, 34810, 35754, 41772, 52215, 59590, 69620, 71508, 89385, 104430, 119180, 178770, 208860, 351581, 357540, 703162, 1054743, 1406324, 1757905, 2109486, 3515810, 4218972, 5273715, 7031620, 10547430, 21094860]

約数ペア:

[(1, 21094860), (2, 10547430), (3, 7031620), (4, 5273715), (5, 4218972), (6, 3515810), (10, 2109486), (12, 1757905), (15, 1406324), (20, 1054743), (30, 703162), (59, 357540), (60, 351581), (101, 208860), (118, 178770), (177, 119180), (202, 104430), (236, 89385), (295, 71508), (303, 69620), (354, 59590), (404, 52215), (505, 41772), (590, 35754), (606, 34810), (708, 29795), (885, 23836), (1010, 20886), (1180, 17877), (1212, 17405), (1515, 13924), (1770, 11918), (2020, 10443), (3030, 6962), (3481, 6060), (3540, 5959)]