21145920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{22027}}^1$

素因数の和:22047

約数の個数: 56

約数和(自身を含む): 67141344

約数和(自身を除く): 45995424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 22027, 44054, 66081, 88108, 110135, 132162, 176216, 220270, 264324, 330405, 352432, 440540, 528648, 660810, 704864, 881080, 1057296, 1321620, 1409728, 1762160, 2114592, 2643240, 3524320, 4229184, 5286480, 7048640, 10572960, 21145920]

約数ペア:

[(1, 21145920), (2, 10572960), (3, 7048640), (4, 5286480), (5, 4229184), (6, 3524320), (8, 2643240), (10, 2114592), (12, 1762160), (15, 1409728), (16, 1321620), (20, 1057296), (24, 881080), (30, 704864), (32, 660810), (40, 528648), (48, 440540), (60, 352432), (64, 330405), (80, 264324), (96, 220270), (120, 176216), (160, 132162), (192, 110135), (240, 88108), (320, 66081), (480, 44054), (960, 22027)]