21995864

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 46858560

約数和(自身を除く): 24862696

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 121, 124, 242, 248, 341, 484, 682, 733, 968, 1364, 1466, 2728, 2932, 3751, 5864, 7502, 8063, 15004, 16126, 22723, 30008, 32252, 45446, 64504, 88693, 90892, 177386, 181784, 249953, 354772, 499906, 709544, 999812, 1999624, 2749483, 5498966, 10997932, 21995864]

約数ペア:

[(1, 21995864), (2, 10997932), (4, 5498966), (8, 2749483), (11, 1999624), (22, 999812), (31, 709544), (44, 499906), (62, 354772), (88, 249953), (121, 181784), (124, 177386), (242, 90892), (248, 88693), (341, 64504), (484, 45446), (682, 32252), (733, 30008), (968, 22723), (1364, 16126), (1466, 15004), (2728, 8063), (2932, 7502), (3751, 5864)]