21270147353

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{53377}}^1$

素因数の和:53577

約数の個数: 32

約数和(自身を含む): 27261212160

約数和(自身を除く): 5991064807

約数列:

[1, 7, 13, 29, 91, 151, 203, 377, 1057, 1963, 2639, 4379, 13741, 30653, 53377, 56927, 373639, 398489, 693901, 1547933, 4857307, 8059927, 10835531, 20123129, 56419489, 104779051, 140861903, 233737883, 733453357, 1636165181, 3038592479, 21270147353]

約数ペア:

[(1, 21270147353), (7, 3038592479), (13, 1636165181), (29, 733453357), (91, 233737883), (151, 140861903), (203, 104779051), (377, 56419489), (1057, 20123129), (1963, 10835531), (2639, 8059927), (4379, 4857307), (13741, 1547933), (30653, 693901), (53377, 398489), (56927, 373639)]