21012424

素因数分解:

$2^3\times {\mathrm{1171}}^1\times {\mathrm{2243}}^1$

素因数の和:3420

約数の個数: 16

約数和(自身を含む): 39449520

約数和(自身を除く): 18437096

約数列:

[1, 2, 4, 8, 1171, 2243, 2342, 4486, 4684, 8972, 9368, 17944, 2626553, 5253106, 10506212, 21012424]

約数ペア:

[(1, 21012424), (2, 10506212), (4, 5253106), (8, 2626553), (1171, 17944), (2243, 9368), (2342, 8972), (4486, 4684)]