21839922

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 53343360

約数和(自身を除く): 31503438

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 53, 54, 78, 106, 117, 159, 234, 318, 351, 477, 587, 689, 702, 954, 1174, 1378, 1431, 1761, 2067, 2862, 3522, 4134, 5283, 6201, 7631, 10566, 12402, 15262, 15849, 18603, 22893, 31111, 31698, 37206, 45786, 62222, 68679, 93333, 137358, 186666, 206037, 279999, 404443, 412074, 559998, 808886, 839997, 1213329, 1679994, 2426658, 3639987, 7279974, 10919961, 21839922]

約数ペア:

[(1, 21839922), (2, 10919961), (3, 7279974), (6, 3639987), (9, 2426658), (13, 1679994), (18, 1213329), (26, 839997), (27, 808886), (39, 559998), (53, 412074), (54, 404443), (78, 279999), (106, 206037), (117, 186666), (159, 137358), (234, 93333), (318, 68679), (351, 62222), (477, 45786), (587, 37206), (689, 31698), (702, 31111), (954, 22893), (1174, 18603), (1378, 15849), (1431, 15262), (1761, 12402), (2067, 10566), (2862, 7631), (3522, 6201), (4134, 5283)]