21594937

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 28224000

約数和(自身を除く): 6629063

約数列:

[1, 7, 13, 29, 49, 91, 167, 203, 343, 377, 637, 1169, 1421, 2171, 2639, 4459, 4843, 8183, 9947, 15197, 18473, 33901, 57281, 62959, 106379, 129311, 237307, 440713, 744653, 1661149, 3084991, 21594937]

約数ペア:

[(1, 21594937), (7, 3084991), (13, 1661149), (29, 744653), (49, 440713), (91, 237307), (167, 129311), (203, 106379), (343, 62959), (377, 57281), (637, 33901), (1169, 18473), (1421, 15197), (2171, 9947), (2639, 8183), (4459, 4843)]