21906500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1$

素因数の和:606

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 37847740

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 125, 140, 154, 175, 220, 250, 275, 308, 350, 385, 500, 550, 569, 700, 770, 875, 1100, 1138, 1375, 1540, 1750, 1925, 2276, 2750, 2845, 3500, 3850, 3983, 5500, 5690, 6259, 7700, 7966, 9625, 11380, 12518, 14225, 15932, 19250, 19915, 25036, 28450, 31295, 38500, 39830, 43813, 56900, 62590, 71125, 79660, 87626, 99575, 125180, 142250, 156475, 175252, 199150, 219065, 284500, 312950, 398300, 438130, 497875, 625900, 782375, 876260, 995750, 1095325, 1564750, 1991500, 2190650, 3129500, 4381300, 5476625, 10953250, 21906500]

約数ペア:

[(1, 21906500), (2, 10953250), (4, 5476625), (5, 4381300), (7, 3129500), (10, 2190650), (11, 1991500), (14, 1564750), (20, 1095325), (22, 995750), (25, 876260), (28, 782375), (35, 625900), (44, 497875), (50, 438130), (55, 398300), (70, 312950), (77, 284500), (100, 219065), (110, 199150), (125, 175252), (140, 156475), (154, 142250), (175, 125180), (220, 99575), (250, 87626), (275, 79660), (308, 71125), (350, 62590), (385, 56900), (500, 43813), (550, 39830), (569, 38500), (700, 31295), (770, 28450), (875, 25036), (1100, 19915), (1138, 19250), (1375, 15932), (1540, 14225), (1750, 12518), (1925, 11380), (2276, 9625), (2750, 7966), (2845, 7700), (3500, 6259), (3850, 5690), (3983, 5500)]