21017760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43787}}^1$

素因数の和:43805

約数の個数: 48

約数和(自身を含む): 66207456

約数和(自身を除く): 45189696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43787, 87574, 131361, 175148, 218935, 262722, 350296, 437870, 525444, 656805, 700592, 875740, 1050888, 1313610, 1401184, 1751480, 2101776, 2627220, 3502960, 4203552, 5254440, 7005920, 10508880, 21017760]

約数ペア:

[(1, 21017760), (2, 10508880), (3, 7005920), (4, 5254440), (5, 4203552), (6, 3502960), (8, 2627220), (10, 2101776), (12, 1751480), (15, 1401184), (16, 1313610), (20, 1050888), (24, 875740), (30, 700592), (32, 656805), (40, 525444), (48, 437870), (60, 350296), (80, 262722), (96, 218935), (120, 175148), (160, 131361), (240, 87574), (480, 43787)]