21961625

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1362

約数の個数: 32

約数和(自身を含む): 32997120

約数和(自身を除く): 11035495

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 175, 475, 665, 875, 1321, 2375, 3325, 6605, 9247, 16625, 25099, 33025, 46235, 125495, 165125, 175693, 231175, 627475, 878465, 1155875, 3137375, 4392325, 21961625]

約数ペア:

[(1, 21961625), (5, 4392325), (7, 3137375), (19, 1155875), (25, 878465), (35, 627475), (95, 231175), (125, 175693), (133, 165125), (175, 125495), (475, 46235), (665, 33025), (875, 25099), (1321, 16625), (2375, 9247), (3325, 6605)]