21352625

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1061}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 31809024

約数和(自身を除く): 10456399

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 161, 175, 575, 805, 875, 1061, 2875, 4025, 5305, 7427, 20125, 24403, 26525, 37135, 122015, 132625, 170821, 185675, 610075, 854105, 928375, 3050375, 4270525, 21352625]

約数ペア:

[(1, 21352625), (5, 4270525), (7, 3050375), (23, 928375), (25, 854105), (35, 610075), (115, 185675), (125, 170821), (161, 132625), (175, 122015), (575, 37135), (805, 26525), (875, 24403), (1061, 20125), (2875, 7427), (4025, 5305)]