21513320244

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{686099}}^1$

素因数の和:686189

約数の個数: 72

約数和(自身を含む): 59438215200

約数和(自身を除く): 37924894956

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 67, 78, 117, 134, 156, 201, 234, 268, 402, 468, 603, 804, 871, 1206, 1742, 2412, 2613, 3484, 5226, 7839, 10452, 15678, 31356, 686099, 1372198, 2058297, 2744396, 4116594, 6174891, 8233188, 8919287, 12349782, 17838574, 24699564, 26757861, 35677148, 45968633, 53515722, 80273583, 91937266, 107031444, 137905899, 160547166, 183874532, 275811798, 321094332, 413717697, 551623596, 597592229, 827435394, 1195184458, 1654870788, 1792776687, 2390368916, 3585553374, 5378330061, 7171106748, 10756660122, 21513320244]

約数ペア:

[(1, 21513320244), (2, 10756660122), (3, 7171106748), (4, 5378330061), (6, 3585553374), (9, 2390368916), (12, 1792776687), (13, 1654870788), (18, 1195184458), (26, 827435394), (36, 597592229), (39, 551623596), (52, 413717697), (67, 321094332), (78, 275811798), (117, 183874532), (134, 160547166), (156, 137905899), (201, 107031444), (234, 91937266), (268, 80273583), (402, 53515722), (468, 45968633), (603, 35677148), (804, 26757861), (871, 24699564), (1206, 17838574), (1742, 12349782), (2412, 8919287), (2613, 8233188), (3484, 6174891), (5226, 4116594), (7839, 2744396), (10452, 2058297), (15678, 1372198), (31356, 686099)]