21130180599

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{90197}}^1$

素因数の和:90471

約数の個数: 32

約数和(自身を含む): 31865149440

約数和(自身を除く): 10734968841

約数列:

[1, 3, 11, 31, 33, 93, 229, 341, 687, 1023, 2519, 7099, 7557, 21297, 78089, 90197, 234267, 270591, 992167, 2796107, 2976501, 8388321, 20655113, 30757177, 61965339, 92271531, 227206243, 640308503, 681618729, 1920925509, 7043393533, 21130180599]

約数ペア:

[(1, 21130180599), (3, 7043393533), (11, 1920925509), (31, 681618729), (33, 640308503), (93, 227206243), (229, 92271531), (341, 61965339), (687, 30757177), (1023, 20655113), (2519, 8388321), (7099, 2976501), (7557, 2796107), (21297, 992167), (78089, 270591), (90197, 234267)]