21056464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9203}}^1$

素因数の和:9235

約数の個数: 40

約数和(自身を含む): 47934432

約数和(自身を除く): 26877968

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9203, 18406, 36812, 73624, 101233, 119639, 147248, 202466, 239278, 404932, 478556, 809864, 957112, 1316029, 1619728, 1914224, 2632058, 5264116, 10528232, 21056464]

約数ペア:

[(1, 21056464), (2, 10528232), (4, 5264116), (8, 2632058), (11, 1914224), (13, 1619728), (16, 1316029), (22, 957112), (26, 809864), (44, 478556), (52, 404932), (88, 239278), (104, 202466), (143, 147248), (176, 119639), (208, 101233), (286, 73624), (572, 36812), (1144, 18406), (2288, 9203)]