21473012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11903}}^1$

素因数の和:11959

約数の個数: 24

約数和(自身を含む): 41997312

約数和(自身を除く): 20524300

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11903, 23806, 47612, 130933, 261866, 488023, 523732, 976046, 1952092, 5368253, 10736506, 21473012]

約数ペア:

[(1, 21473012), (2, 10736506), (4, 5368253), (11, 1952092), (22, 976046), (41, 523732), (44, 488023), (82, 261866), (164, 130933), (451, 47612), (902, 23806), (1804, 11903)]