21038512

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10867}}^1$

素因数の和:10897

約数の個数: 30

約数和(自身を含む): 44808764

約数和(自身を除く): 23770252

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10867, 21734, 43468, 86936, 119537, 173872, 239074, 478148, 956296, 1314907, 1912592, 2629814, 5259628, 10519256, 21038512]

約数ペア:

[(1, 21038512), (2, 10519256), (4, 5259628), (8, 2629814), (11, 1912592), (16, 1314907), (22, 956296), (44, 478148), (88, 239074), (121, 173872), (176, 119537), (242, 86936), (484, 43468), (968, 21734), (1936, 10867)]