21707778

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1117}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 45077760

約数和(自身を除く): 23369982

約数列:

[1, 2, 3, 6, 41, 79, 82, 123, 158, 237, 246, 474, 1117, 2234, 3239, 3351, 6478, 6702, 9717, 19434, 45797, 88243, 91594, 137391, 176486, 264729, 274782, 529458, 3617963, 7235926, 10853889, 21707778]

約数ペア:

[(1, 21707778), (2, 10853889), (3, 7235926), (6, 3617963), (41, 529458), (79, 274782), (82, 264729), (123, 176486), (158, 137391), (237, 91594), (246, 88243), (474, 45797), (1117, 19434), (2234, 9717), (3239, 6702), (3351, 6478)]