21622284

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 57330000

約数和(自身を除く): 35707716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 139, 149, 174, 261, 278, 298, 348, 417, 447, 522, 556, 596, 834, 894, 1044, 1251, 1341, 1668, 1788, 2502, 2682, 4031, 4321, 5004, 5364, 8062, 8642, 12093, 12963, 16124, 17284, 20711, 24186, 25926, 36279, 38889, 41422, 48372, 51852, 62133, 72558, 77778, 82844, 124266, 145116, 155556, 186399, 248532, 372798, 600619, 745596, 1201238, 1801857, 2402476, 3603714, 5405571, 7207428, 10811142, 21622284]

約数ペア:

[(1, 21622284), (2, 10811142), (3, 7207428), (4, 5405571), (6, 3603714), (9, 2402476), (12, 1801857), (18, 1201238), (29, 745596), (36, 600619), (58, 372798), (87, 248532), (116, 186399), (139, 155556), (149, 145116), (174, 124266), (261, 82844), (278, 77778), (298, 72558), (348, 62133), (417, 51852), (447, 48372), (522, 41422), (556, 38889), (596, 36279), (834, 25926), (894, 24186), (1044, 20711), (1251, 17284), (1341, 16124), (1668, 12963), (1788, 12093), (2502, 8642), (2682, 8062), (4031, 5364), (4321, 5004)]