21063625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{15319}}^1$

素因数の和:15345

約数の個数: 16

約数和(自身を含む): 28679040

約数和(自身を除く): 7615415

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 15319, 76595, 168509, 382975, 842545, 1914875, 4212725, 21063625]

約数ペア:

[(1, 21063625), (5, 4212725), (11, 1914875), (25, 842545), (55, 382975), (125, 168509), (275, 76595), (1375, 15319)]