21958896

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10639}}^1$

素因数の和:10693

約数の個数: 40

約数和(自身を含む): 58051840

約数和(自身を除く): 36092944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10639, 21278, 31917, 42556, 63834, 85112, 127668, 170224, 255336, 457477, 510672, 914954, 1372431, 1829908, 2744862, 3659816, 5489724, 7319632, 10979448, 21958896]

約数ペア:

[(1, 21958896), (2, 10979448), (3, 7319632), (4, 5489724), (6, 3659816), (8, 2744862), (12, 1829908), (16, 1372431), (24, 914954), (43, 510672), (48, 457477), (86, 255336), (129, 170224), (172, 127668), (258, 85112), (344, 63834), (516, 42556), (688, 31917), (1032, 21278), (2064, 10639)]