21729818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{16741}}^1$

素因数の和:16813

約数の個数: 16

約数和(自身を含む): 36162720

約数和(自身を除く): 14432902

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 16741, 33482, 184151, 368302, 987719, 1975438, 10864909, 21729818]

約数ペア:

[(1, 21729818), (2, 10864909), (11, 1975438), (22, 987719), (59, 368302), (118, 184151), (649, 33482), (1298, 16741)]