21188306

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{2333}}^1$

素因数の和:2593

約数の個数: 16

約数和(自身を含む): 33609600

約数和(自身を除く): 12421294

約数列:

[1, 2, 19, 38, 239, 478, 2333, 4541, 4666, 9082, 44327, 88654, 557587, 1115174, 10594153, 21188306]

約数ペア:

[(1, 21188306), (2, 10594153), (19, 1115174), (38, 557587), (239, 88654), (478, 44327), (2333, 9082), (4541, 4666)]