21782354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 14989486

約数列:

[1, 2, 11, 22, 79, 83, 151, 158, 166, 302, 869, 913, 1661, 1738, 1826, 3322, 6557, 11929, 12533, 13114, 23858, 25066, 72127, 131219, 137863, 144254, 262438, 275726, 990107, 1980214, 10891177, 21782354]

約数ペア:

[(1, 21782354), (2, 10891177), (11, 1980214), (22, 990107), (79, 275726), (83, 262438), (151, 144254), (158, 137863), (166, 131219), (302, 72127), (869, 25066), (913, 23858), (1661, 13114), (1738, 12533), (1826, 11929), (3322, 6557)]