21861304705

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{1669}}^1\times {\mathrm{60923}}^1$

素因数の和:62640

約数の個数: 16

約数和(自身を含む): 26860173120

約数和(自身を除く): 4998868415

約数列:

[1, 5, 43, 215, 1669, 8345, 60923, 71767, 304615, 358835, 2619689, 13098445, 101680487, 508402435, 4372260941, 21861304705]

約数ペア:

[(1, 21861304705), (5, 4372260941), (43, 508402435), (215, 101680487), (1669, 13098445), (8345, 2619689), (60923, 358835), (71767, 304615)]