21099628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6569}}^1$

素因数の和:6657

約数の個数: 24

約数和(自身を含む): 40839120

約数和(自身を除く): 19739492

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6569, 13138, 26276, 72259, 144518, 289036, 479537, 959074, 1918148, 5274907, 10549814, 21099628]

約数ペア:

[(1, 21099628), (2, 10549814), (4, 5274907), (11, 1918148), (22, 959074), (44, 479537), (73, 289036), (146, 144518), (292, 72259), (803, 26276), (1606, 13138), (3212, 6569)]