21988044

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{15661}}^1$

素因数の和:15687

約数の個数: 48

約数和(自身を含む): 61395040

約数和(自身を除く): 39406996

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 15661, 31322, 46983, 62644, 93966, 140949, 187932, 203593, 281898, 407186, 422847, 563796, 610779, 814372, 845694, 1221558, 1691388, 1832337, 2443116, 3664674, 5497011, 7329348, 10994022, 21988044]

約数ペア:

[(1, 21988044), (2, 10994022), (3, 7329348), (4, 5497011), (6, 3664674), (9, 2443116), (12, 1832337), (13, 1691388), (18, 1221558), (26, 845694), (27, 814372), (36, 610779), (39, 563796), (52, 422847), (54, 407186), (78, 281898), (108, 203593), (117, 187932), (156, 140949), (234, 93966), (351, 62644), (468, 46983), (702, 31322), (1404, 15661)]