21277116

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3671}}^1$

素因数の和:3711

約数の個数: 72

約数和(自身を含む): 64157184

約数和(自身を除く): 42880068

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, 3671, 5796, 7342, 11013, 14684, 22026, 25697, 33039, 44052, 51394, 66078, 77091, 84433, 102788, 132156, 154182, 168866, 231273, 253299, 308364, 337732, 462546, 506598, 591031, 759897, 925092, 1013196, 1182062, 1519794, 1773093, 2364124, 3039588, 3546186, 5319279, 7092372, 10638558, 21277116]

約数ペア:

[(1, 21277116), (2, 10638558), (3, 7092372), (4, 5319279), (6, 3546186), (7, 3039588), (9, 2364124), (12, 1773093), (14, 1519794), (18, 1182062), (21, 1013196), (23, 925092), (28, 759897), (36, 591031), (42, 506598), (46, 462546), (63, 337732), (69, 308364), (84, 253299), (92, 231273), (126, 168866), (138, 154182), (161, 132156), (207, 102788), (252, 84433), (276, 77091), (322, 66078), (414, 51394), (483, 44052), (644, 33039), (828, 25697), (966, 22026), (1449, 14684), (1932, 11013), (2898, 7342), (3671, 5796)]