21167373872

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42676157}}^1$

素因数の和:42676196

約数の個数: 20

約数和(自身を含む): 42334748736

約数和(自身を除く): 21167374864

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42676157, 85352314, 170704628, 341409256, 682818512, 1322960867, 2645921734, 5291843468, 10583686936, 21167373872]

約数ペア:

[(1, 21167373872), (2, 10583686936), (4, 5291843468), (8, 2645921734), (16, 1322960867), (31, 682818512), (62, 341409256), (124, 170704628), (248, 85352314), (496, 42676157)]