21629125

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 32497920

約数和(自身を除く): 10868795

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 175, 475, 665, 875, 1301, 2375, 3325, 6505, 9107, 16625, 24719, 32525, 45535, 123595, 162625, 173033, 227675, 617975, 865165, 1138375, 3089875, 4325825, 21629125]

約数ペア:

[(1, 21629125), (5, 4325825), (7, 3089875), (19, 1138375), (25, 865165), (35, 617975), (95, 227675), (125, 173033), (133, 162625), (175, 123595), (475, 45535), (665, 32525), (875, 24719), (1301, 16625), (2375, 9107), (3325, 6505)]