21139967926

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{393331}}^1$

素因数の和:393700

約数の個数: 32

約数和(自身を含む): 39647865600

約数和(自身を除く): 18507897674

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 349, 698, 2443, 3839, 4886, 7678, 26873, 53746, 393331, 786662, 2753317, 4326641, 5506634, 8653282, 30286487, 60572974, 137272519, 274545038, 960907633, 1509997709, 1921815266, 3019995418, 10569983963, 21139967926]

約数ペア:

[(1, 21139967926), (2, 10569983963), (7, 3019995418), (11, 1921815266), (14, 1509997709), (22, 960907633), (77, 274545038), (154, 137272519), (349, 60572974), (698, 30286487), (2443, 8653282), (3839, 5506634), (4886, 4326641), (7678, 2753317), (26873, 786662), (53746, 393331)]