21294435

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61723}}^1$

素因数の和:61754

約数の個数: 16

約数和(自身を含む): 35553024

約数和(自身を除く): 14258589

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 61723, 185169, 308615, 925845, 1419629, 4258887, 7098145, 21294435]

約数ペア:

[(1, 21294435), (3, 7098145), (5, 4258887), (15, 1419629), (23, 925845), (69, 308615), (115, 185169), (345, 61723)]