2021133808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{68171}}^1$

素因数の和:68305

約数の個数: 40

約数和(自身を含む): 4184397360

約数和(自身を除く): 2163263552

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 109, 136, 218, 272, 436, 872, 1744, 1853, 3706, 7412, 14824, 29648, 68171, 136342, 272684, 545368, 1090736, 1158907, 2317814, 4635628, 7430639, 9271256, 14861278, 18542512, 29722556, 59445112, 118890224, 126320863, 252641726, 505283452, 1010566904, 2021133808]

約数ペア:

[(1, 2021133808), (2, 1010566904), (4, 505283452), (8, 252641726), (16, 126320863), (17, 118890224), (34, 59445112), (68, 29722556), (109, 18542512), (136, 14861278), (218, 9271256), (272, 7430639), (436, 4635628), (872, 2317814), (1744, 1158907), (1853, 1090736), (3706, 545368), (7412, 272684), (14824, 136342), (29648, 68171)]