21473748

素因数分解:

$2^2\times 3^4\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:554

約数の個数: 60

約数和(自身を含む): 56593152

約数和(自身を除く): 35119404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 191, 324, 347, 382, 573, 694, 764, 1041, 1146, 1388, 1719, 2082, 2292, 3123, 3438, 4164, 5157, 6246, 6876, 9369, 10314, 12492, 15471, 18738, 20628, 28107, 30942, 37476, 56214, 61884, 66277, 112428, 132554, 198831, 265108, 397662, 596493, 795324, 1192986, 1789479, 2385972, 3578958, 5368437, 7157916, 10736874, 21473748]

約数ペア:

[(1, 21473748), (2, 10736874), (3, 7157916), (4, 5368437), (6, 3578958), (9, 2385972), (12, 1789479), (18, 1192986), (27, 795324), (36, 596493), (54, 397662), (81, 265108), (108, 198831), (162, 132554), (191, 112428), (324, 66277), (347, 61884), (382, 56214), (573, 37476), (694, 30942), (764, 28107), (1041, 20628), (1146, 18738), (1388, 15471), (1719, 12492), (2082, 10314), (2292, 9369), (3123, 6876), (3438, 6246), (4164, 5157)]