21425400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11903}}^1$

素因数の和:11925

約数の個数: 72

約数和(自身を含む): 71959680

約数和(自身を除く): 50534280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11903, 23806, 35709, 47612, 59515, 71418, 95224, 107127, 119030, 142836, 178545, 214254, 238060, 285672, 297575, 357090, 428508, 476120, 535635, 595150, 714180, 857016, 892725, 1071270, 1190300, 1428360, 1785450, 2142540, 2380600, 2678175, 3570900, 4285080, 5356350, 7141800, 10712700, 21425400]

約数ペア:

[(1, 21425400), (2, 10712700), (3, 7141800), (4, 5356350), (5, 4285080), (6, 3570900), (8, 2678175), (9, 2380600), (10, 2142540), (12, 1785450), (15, 1428360), (18, 1190300), (20, 1071270), (24, 892725), (25, 857016), (30, 714180), (36, 595150), (40, 535635), (45, 476120), (50, 428508), (60, 357090), (72, 297575), (75, 285672), (90, 238060), (100, 214254), (120, 178545), (150, 142836), (180, 119030), (200, 107127), (225, 95224), (300, 71418), (360, 59515), (450, 47612), (600, 35709), (900, 23806), (1800, 11903)]