21023912

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28879}}^1$

素因数の和:28905

約数の個数: 32

約数和(自身を含む): 48518400

約数和(自身を除く): 27494488

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28879, 57758, 115516, 202153, 231032, 375427, 404306, 750854, 808612, 1501708, 1617224, 2627989, 3003416, 5255978, 10511956, 21023912]

約数ペア:

[(1, 21023912), (2, 10511956), (4, 5255978), (7, 3003416), (8, 2627989), (13, 1617224), (14, 1501708), (26, 808612), (28, 750854), (52, 404306), (56, 375427), (91, 231032), (104, 202153), (182, 115516), (364, 57758), (728, 28879)]