21472325

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4231}}^1$

素因数の和:4277

約数の個数: 24

約数和(自身を含む): 31486080

約数和(自身を除く): 10013755

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 4231, 5075, 21155, 29617, 105775, 122699, 148085, 613495, 740425, 858893, 3067475, 4294465, 21472325]

約数ペア:

[(1, 21472325), (5, 4294465), (7, 3067475), (25, 858893), (29, 740425), (35, 613495), (145, 148085), (175, 122699), (203, 105775), (725, 29617), (1015, 21155), (4231, 5075)]