21010325

素因数分解:

$5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{569}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 29968320

約数和(自身を除く): 8957995

約数列:

[1, 5, 7, 25, 35, 175, 211, 569, 1055, 1477, 2845, 3983, 5275, 7385, 14225, 19915, 36925, 99575, 120059, 600295, 840413, 3001475, 4202065, 21010325]

約数ペア:

[(1, 21010325), (5, 4202065), (7, 3001475), (25, 840413), (35, 600295), (175, 120059), (211, 99575), (569, 36925), (1055, 19915), (1477, 14225), (2845, 7385), (3983, 5275)]