21493218

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{9923}}^1$

素因数の和:9966

約数の個数: 24

約数和(自身を含む): 45372528

約数和(自身を除く): 23879310

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 361, 722, 1083, 2166, 9923, 19846, 29769, 59538, 188537, 377074, 565611, 1131222, 3582203, 7164406, 10746609, 21493218]

約数ペア:

[(1, 21493218), (2, 10746609), (3, 7164406), (6, 3582203), (19, 1131222), (38, 565611), (57, 377074), (114, 188537), (361, 59538), (722, 29769), (1083, 19846), (2166, 9923)]