21261376

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4679}}^1$

素因数の和:4762

約数の個数: 28

約数和(自身を含む): 42793920

約数和(自身を除く): 21532544

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 4679, 9358, 18716, 37432, 74864, 149728, 299456, 332209, 664418, 1328836, 2657672, 5315344, 10630688, 21261376]

約数ペア:

[(1, 21261376), (2, 10630688), (4, 5315344), (8, 2657672), (16, 1328836), (32, 664418), (64, 332209), (71, 299456), (142, 149728), (284, 74864), (568, 37432), (1136, 18716), (2272, 9358), (4544, 4679)]