21710788

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1447}}^1$

素因数の和:1504

約数の個数: 36

約数和(自身を含む): 43138816

約数和(自身を除く): 21428028

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 121, 124, 242, 341, 484, 682, 1364, 1447, 2894, 3751, 5788, 7502, 15004, 15917, 31834, 44857, 63668, 89714, 175087, 179428, 350174, 493427, 700348, 986854, 1973708, 5427697, 10855394, 21710788]

約数ペア:

[(1, 21710788), (2, 10855394), (4, 5427697), (11, 1973708), (22, 986854), (31, 700348), (44, 493427), (62, 350174), (121, 179428), (124, 175087), (242, 89714), (341, 63668), (484, 44857), (682, 31834), (1364, 15917), (1447, 15004), (2894, 7502), (3751, 5788)]