212921492

素因数分解:

$2^2\times 7^1\times {\mathrm{1523}}^1\times {\mathrm{4993}}^1$

素因数の和:6527

約数の個数: 24

約数和(自身を含む): 426207936

約数和(自身を除く): 213286444

約数列:

[1, 2, 4, 7, 14, 28, 1523, 3046, 4993, 6092, 9986, 10661, 19972, 21322, 34951, 42644, 69902, 139804, 7604339, 15208678, 30417356, 53230373, 106460746, 212921492]

約数ペア:

[(1, 212921492), (2, 106460746), (4, 53230373), (7, 30417356), (14, 15208678), (28, 7604339), (1523, 139804), (3046, 69902), (4993, 42644), (6092, 34951), (9986, 21322), (10661, 19972)]