21945960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60961}}^1$

素因数の和:60978

約数の個数: 48

約数和(自身を含む): 71325540

約数和(自身を除く): 49379580

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60961, 121922, 182883, 243844, 304805, 365766, 487688, 548649, 609610, 731532, 914415, 1097298, 1219220, 1463064, 1828830, 2194596, 2438440, 2743245, 3657660, 4389192, 5486490, 7315320, 10972980, 21945960]

約数ペア:

[(1, 21945960), (2, 10972980), (3, 7315320), (4, 5486490), (5, 4389192), (6, 3657660), (8, 2743245), (9, 2438440), (10, 2194596), (12, 1828830), (15, 1463064), (18, 1219220), (20, 1097298), (24, 914415), (30, 731532), (36, 609610), (40, 548649), (45, 487688), (60, 365766), (72, 304805), (90, 243844), (120, 182883), (180, 121922), (360, 60961)]