21641153

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 23904720

約数和(自身を除く): 2263567

約数列:

[1, 17, 41, 61, 509, 697, 1037, 2501, 8653, 20869, 31049, 42517, 354773, 527833, 1273009, 21641153]

約数ペア:

[(1, 21641153), (17, 1273009), (41, 527833), (61, 354773), (509, 42517), (697, 31049), (1037, 20869), (2501, 8653)]