21167116327

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{8677}}^1$

素因数の和:8971

約数の個数: 32

約数和(自身を含む): 25567470720

約数和(自身を除く): 4400354393

約数列:

[1, 7, 29, 61, 197, 203, 427, 1379, 1769, 5713, 8677, 12017, 12383, 39991, 60739, 84119, 251633, 348493, 529297, 1709369, 1761431, 2439451, 3705079, 11965583, 15349613, 49571701, 104271509, 107447291, 347001907, 729900563, 3023873761, 21167116327]

約数ペア:

[(1, 21167116327), (7, 3023873761), (29, 729900563), (61, 347001907), (197, 107447291), (203, 104271509), (427, 49571701), (1379, 15349613), (1769, 11965583), (5713, 3705079), (8677, 2439451), (12017, 1761431), (12383, 1709369), (39991, 529297), (60739, 348493), (84119, 251633)]