21037564808

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15560329}}^1$

素因数の和:15560361

約数の個数: 24

約数和(自身を含む): 42713105850

約数和(自身を除く): 21675541042

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15560329, 31120658, 62241316, 124482632, 202284277, 404568554, 809137108, 1618274216, 2629695601, 5259391202, 10518782404, 21037564808]

約数ペア:

[(1, 21037564808), (2, 10518782404), (4, 5259391202), (8, 2629695601), (13, 1618274216), (26, 809137108), (52, 404568554), (104, 202284277), (169, 124482632), (338, 62241316), (676, 31120658), (1352, 15560329)]