21349624

素因数分解:

$2^3\times {\mathrm{337}}^1\times {\mathrm{7919}}^1$

素因数の和:8262

約数の個数: 16

約数和(自身を含む): 40154400

約数和(自身を除く): 18804776

約数列:

[1, 2, 4, 8, 337, 674, 1348, 2696, 7919, 15838, 31676, 63352, 2668703, 5337406, 10674812, 21349624]

約数ペア:

[(1, 21349624), (2, 10674812), (4, 5337406), (8, 2668703), (337, 63352), (674, 31676), (1348, 15838), (2696, 7919)]