21865116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20023}}^1$

素因数の和:20050

約数の個数: 48

約数和(自身を含む): 62795264

約数和(自身を除く): 40930148

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 20023, 40046, 60069, 80092, 120138, 140161, 240276, 260299, 280322, 420483, 520598, 560644, 780897, 840966, 1041196, 1561794, 1681932, 1822093, 3123588, 3644186, 5466279, 7288372, 10932558, 21865116]

約数ペア:

[(1, 21865116), (2, 10932558), (3, 7288372), (4, 5466279), (6, 3644186), (7, 3123588), (12, 1822093), (13, 1681932), (14, 1561794), (21, 1041196), (26, 840966), (28, 780897), (39, 560644), (42, 520598), (52, 420483), (78, 280322), (84, 260299), (91, 240276), (156, 140161), (182, 120138), (273, 80092), (364, 60069), (546, 40046), (1092, 20023)]