21386466

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{38327}}^1$

素因数の和:38366

約数の個数: 24

約数和(自身を含む): 47833344

約数和(自身を除く): 26446878

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 38327, 76654, 114981, 229962, 344943, 689886, 1188137, 2376274, 3564411, 7128822, 10693233, 21386466]

約数ペア:

[(1, 21386466), (2, 10693233), (3, 7128822), (6, 3564411), (9, 2376274), (18, 1188137), (31, 689886), (62, 344943), (93, 229962), (186, 114981), (279, 76654), (558, 38327)]