21016656

素因数分解:

$2^4\times 3^2\times {\mathrm{145949}}^1$

素因数の和:145963

約数の個数: 30

約数和(自身を含む): 58817850

約数和(自身を除く): 37801194

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145949, 291898, 437847, 583796, 875694, 1167592, 1313541, 1751388, 2335184, 2627082, 3502776, 5254164, 7005552, 10508328, 21016656]

約数ペア:

[(1, 21016656), (2, 10508328), (3, 7005552), (4, 5254164), (6, 3502776), (8, 2627082), (9, 2335184), (12, 1751388), (16, 1313541), (18, 1167592), (24, 875694), (36, 583796), (48, 437847), (72, 291898), (144, 145949)]