21427812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3697}}^1$

素因数の和:3737

約数の個数: 72

約数和(自身を含む): 64611456

約数和(自身を除く): 43183644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 3697, 5796, 7394, 11091, 14788, 22182, 25879, 33273, 44364, 51758, 66546, 77637, 85031, 103516, 133092, 155274, 170062, 232911, 255093, 310548, 340124, 465822, 510186, 595217, 765279, 931644, 1020372, 1190434, 1530558, 1785651, 2380868, 3061116, 3571302, 5356953, 7142604, 10713906, 21427812]

約数ペア:

[(1, 21427812), (2, 10713906), (3, 7142604), (4, 5356953), (6, 3571302), (7, 3061116), (9, 2380868), (12, 1785651), (14, 1530558), (18, 1190434), (21, 1020372), (23, 931644), (28, 765279), (36, 595217), (42, 510186), (46, 465822), (63, 340124), (69, 310548), (84, 255093), (92, 232911), (126, 170062), (138, 155274), (161, 133092), (207, 103516), (252, 85031), (276, 77637), (322, 66546), (414, 51758), (483, 44364), (644, 33273), (828, 25879), (966, 22182), (1449, 14788), (1932, 11091), (2898, 7394), (3697, 5796)]