21167280268

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{74532677}}^1$

素因数の和:74532752

約数の個数: 12

約数和(自身を含む): 37564469712

約数和(自身を除く): 16397189444

約数列:

[1, 2, 4, 71, 142, 284, 74532677, 149065354, 298130708, 5291820067, 10583640134, 21167280268]

約数ペア:

[(1, 21167280268), (2, 10583640134), (4, 5291820067), (71, 298130708), (142, 149065354), (284, 74532677)]