21653000

素因数分解:

$2^3\times 5^3\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 51667200

約数和(自身を除く): 30014200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 118, 125, 200, 236, 250, 295, 367, 472, 500, 590, 734, 1000, 1180, 1468, 1475, 1835, 2360, 2936, 2950, 3670, 5900, 7340, 7375, 9175, 11800, 14680, 14750, 18350, 21653, 29500, 36700, 43306, 45875, 59000, 73400, 86612, 91750, 108265, 173224, 183500, 216530, 367000, 433060, 541325, 866120, 1082650, 2165300, 2706625, 4330600, 5413250, 10826500, 21653000]

約数ペア:

[(1, 21653000), (2, 10826500), (4, 5413250), (5, 4330600), (8, 2706625), (10, 2165300), (20, 1082650), (25, 866120), (40, 541325), (50, 433060), (59, 367000), (100, 216530), (118, 183500), (125, 173224), (200, 108265), (236, 91750), (250, 86612), (295, 73400), (367, 59000), (472, 45875), (500, 43306), (590, 36700), (734, 29500), (1000, 21653), (1180, 18350), (1468, 14750), (1475, 14680), (1835, 11800), (2360, 9175), (2936, 7375), (2950, 7340), (3670, 5900)]