21893375

素因数分解:

$5^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 31629312

約数和(自身を除く): 9735937

約数列:

[1, 5, 7, 25, 35, 125, 131, 175, 191, 655, 875, 917, 955, 1337, 3275, 4585, 4775, 6685, 16375, 22925, 23875, 25021, 33425, 114625, 125105, 167125, 175147, 625525, 875735, 3127625, 4378675, 21893375]

約数ペア:

[(1, 21893375), (5, 4378675), (7, 3127625), (25, 875735), (35, 625525), (125, 175147), (131, 167125), (175, 125105), (191, 114625), (655, 33425), (875, 25021), (917, 23875), (955, 22925), (1337, 16375), (3275, 6685), (4585, 4775)]