21549816

素因数分解:

$2^3\times 3^2\times {\mathrm{229}}^1\times {\mathrm{1307}}^1$

素因数の和:1548

約数の個数: 48

約数和(自身を含む): 58663800

約数和(自身を除く): 37113984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 229, 458, 687, 916, 1307, 1374, 1832, 2061, 2614, 2748, 3921, 4122, 5228, 5496, 7842, 8244, 10456, 11763, 15684, 16488, 23526, 31368, 47052, 94104, 299303, 598606, 897909, 1197212, 1795818, 2394424, 2693727, 3591636, 5387454, 7183272, 10774908, 21549816]

約数ペア:

[(1, 21549816), (2, 10774908), (3, 7183272), (4, 5387454), (6, 3591636), (8, 2693727), (9, 2394424), (12, 1795818), (18, 1197212), (24, 897909), (36, 598606), (72, 299303), (229, 94104), (458, 47052), (687, 31368), (916, 23526), (1307, 16488), (1374, 15684), (1832, 11763), (2061, 10456), (2614, 8244), (2748, 7842), (3921, 5496), (4122, 5228)]