21590756

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1496

約数の個数: 36

約数和(自身を含む): 42900480

約数和(自身を除く): 21309724

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 121, 124, 242, 341, 484, 682, 1364, 1439, 2878, 3751, 5756, 7502, 15004, 15829, 31658, 44609, 63316, 89218, 174119, 178436, 348238, 490699, 696476, 981398, 1962796, 5397689, 10795378, 21590756]

約数ペア:

[(1, 21590756), (2, 10795378), (4, 5397689), (11, 1962796), (22, 981398), (31, 696476), (44, 490699), (62, 348238), (121, 178436), (124, 174119), (242, 89218), (341, 63316), (484, 44609), (682, 31658), (1364, 15829), (1439, 15004), (2878, 7502), (3751, 5756)]