21603790908

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{1360783}}^1$

素因数の和:1360813

約数の個数: 90

約数和(自身を含む): 65697290736

約数和(自身を除く): 44093499828

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 2268, 2646, 3969, 5292, 7938, 15876, 1360783, 2721566, 4082349, 5443132, 8164698, 9525481, 12247047, 16329396, 19050962, 24494094, 28576443, 36741141, 38101924, 48988188, 57152886, 66678367, 73482282, 85729329, 110223423, 114305772, 133356734, 146964564, 171458658, 200035101, 220446846, 257187987, 266713468, 342917316, 400070202, 440893692, 514375974, 600105303, 771563961, 800140404, 1028751948, 1200210606, 1543127922, 1800315909, 2400421212, 3086255844, 3600631818, 5400947727, 7201263636, 10801895454, 21603790908]

約数ペア:

[(1, 21603790908), (2, 10801895454), (3, 7201263636), (4, 5400947727), (6, 3600631818), (7, 3086255844), (9, 2400421212), (12, 1800315909), (14, 1543127922), (18, 1200210606), (21, 1028751948), (27, 800140404), (28, 771563961), (36, 600105303), (42, 514375974), (49, 440893692), (54, 400070202), (63, 342917316), (81, 266713468), (84, 257187987), (98, 220446846), (108, 200035101), (126, 171458658), (147, 146964564), (162, 133356734), (189, 114305772), (196, 110223423), (252, 85729329), (294, 73482282), (324, 66678367), (378, 57152886), (441, 48988188), (567, 38101924), (588, 36741141), (756, 28576443), (882, 24494094), (1134, 19050962), (1323, 16329396), (1764, 12247047), (2268, 9525481), (2646, 8164698), (3969, 5443132), (5292, 4082349), (7938, 2721566), (15876, 1360783)]