21469756

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6337}}^1$

素因数の和:6370

約数の個数: 36

約数和(自身を含む): 47205424

約数和(自身を除く): 25735668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 6337, 12674, 25348, 44359, 69707, 88718, 139414, 177436, 278828, 487949, 766777, 975898, 1533554, 1951796, 3067108, 5367439, 10734878, 21469756]

約数ペア:

[(1, 21469756), (2, 10734878), (4, 5367439), (7, 3067108), (11, 1951796), (14, 1533554), (22, 975898), (28, 766777), (44, 487949), (77, 278828), (121, 177436), (154, 139414), (242, 88718), (308, 69707), (484, 44359), (847, 25348), (1694, 12674), (3388, 6337)]