21896525

素因数分解:

$5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{593}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 31230144

約数和(自身を除く): 9333619

約数列:

[1, 5, 7, 25, 35, 175, 211, 593, 1055, 1477, 2965, 4151, 5275, 7385, 14825, 20755, 36925, 103775, 125123, 625615, 875861, 3128075, 4379305, 21896525]

約数ペア:

[(1, 21896525), (5, 4379305), (7, 3128075), (25, 875861), (35, 625615), (175, 125123), (211, 103775), (593, 36925), (1055, 20755), (1477, 14825), (2965, 7385), (4151, 5275)]