21173586

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{72019}}^1$

素因数の和:72038

約数の個数: 24

約数和(自身を含む): 49261680

約数和(自身を除く): 28088094

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 72019, 144038, 216057, 432114, 504133, 1008266, 1512399, 3024798, 3528931, 7057862, 10586793, 21173586]

約数ペア:

[(1, 21173586), (2, 10586793), (3, 7057862), (6, 3528931), (7, 3024798), (14, 1512399), (21, 1008266), (42, 504133), (49, 432114), (98, 216057), (147, 144038), (294, 72019)]