2621556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 7722624

約数和(自身を除く): 5101068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 103, 126, 202, 206, 252, 303, 309, 404, 412, 606, 618, 707, 721, 909, 927, 1212, 1236, 1414, 1442, 1818, 1854, 2121, 2163, 2828, 2884, 3636, 3708, 4242, 4326, 6363, 6489, 8484, 8652, 10403, 12726, 12978, 20806, 25452, 25956, 31209, 41612, 62418, 72821, 93627, 124836, 145642, 187254, 218463, 291284, 374508, 436926, 655389, 873852, 1310778, 2621556]

約数ペア:

[(1, 2621556), (2, 1310778), (3, 873852), (4, 655389), (6, 436926), (7, 374508), (9, 291284), (12, 218463), (14, 187254), (18, 145642), (21, 124836), (28, 93627), (36, 72821), (42, 62418), (63, 41612), (84, 31209), (101, 25956), (103, 25452), (126, 20806), (202, 12978), (206, 12726), (252, 10403), (303, 8652), (309, 8484), (404, 6489), (412, 6363), (606, 4326), (618, 4242), (707, 3708), (721, 3636), (909, 2884), (927, 2828), (1212, 2163), (1236, 2121), (1414, 1854), (1442, 1818)]