21540360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10559}}^1$

素因数の和:10590

約数の個数: 64

約数和(自身を含む): 68428800

約数和(自身を除く): 46888440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10559, 21118, 31677, 42236, 52795, 63354, 84472, 105590, 126708, 158385, 179503, 211180, 253416, 316770, 359006, 422360, 538509, 633540, 718012, 897515, 1077018, 1267080, 1436024, 1795030, 2154036, 2692545, 3590060, 4308072, 5385090, 7180120, 10770180, 21540360]

約数ペア:

[(1, 21540360), (2, 10770180), (3, 7180120), (4, 5385090), (5, 4308072), (6, 3590060), (8, 2692545), (10, 2154036), (12, 1795030), (15, 1436024), (17, 1267080), (20, 1077018), (24, 897515), (30, 718012), (34, 633540), (40, 538509), (51, 422360), (60, 359006), (68, 316770), (85, 253416), (102, 211180), (120, 179503), (136, 158385), (170, 126708), (204, 105590), (255, 84472), (340, 63354), (408, 52795), (510, 42236), (680, 31677), (1020, 21118), (2040, 10559)]