20921855678421

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{5413}}^1\times {\mathrm{19229417}}^1$

素因数の和:19234900

約数の個数: 16

約数和(自身を含む): 28317394782144

約数和(自身を除く): 7395539103723

約数列:

[1, 3, 67, 201, 5413, 16239, 362671, 1088013, 19229417, 57688251, 1288370939, 3865112817, 104088834221, 312266502663, 6973951892807, 20921855678421]

約数ペア:

[(1, 20921855678421), (3, 6973951892807), (67, 312266502663), (201, 104088834221), (5413, 3865112817), (16239, 1288370939), (362671, 57688251), (1088013, 19229417)]