21364815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61927}}^1$

素因数の和:61958

約数の個数: 16

約数和(自身を含む): 35670528

約数和(自身を除く): 14305713

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 61927, 185781, 309635, 928905, 1424321, 4272963, 7121605, 21364815]

約数ペア:

[(1, 21364815), (3, 7121605), (5, 4272963), (15, 1424321), (23, 928905), (69, 309635), (115, 185781), (345, 61927)]