21669249720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{32057}}^1$

素因数の和:32245

約数の個数: 128

約数和(自身を含む): 67029431040

約数和(自身を除く): 45360181320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 131, 172, 215, 258, 262, 344, 393, 430, 516, 524, 645, 655, 786, 860, 1032, 1048, 1290, 1310, 1572, 1720, 1965, 2580, 2620, 3144, 3930, 5160, 5240, 5633, 7860, 11266, 15720, 16899, 22532, 28165, 32057, 33798, 45064, 56330, 64114, 67596, 84495, 96171, 112660, 128228, 135192, 160285, 168990, 192342, 225320, 256456, 320570, 337980, 384684, 480855, 641140, 675960, 769368, 961710, 1282280, 1378451, 1923420, 2756902, 3846840, 4135353, 4199467, 5513804, 6892255, 8270706, 8398934, 11027608, 12598401, 13784510, 16541412, 16797868, 20676765, 20997335, 25196802, 27569020, 33082824, 33595736, 41353530, 41994670, 50393604, 55138040, 62992005, 82707060, 83989340, 100787208, 125984010, 165414120, 167978680, 180577081, 251968020, 361154162, 503936040, 541731243, 722308324, 902885405, 1083462486, 1444616648, 1805770810, 2166924972, 2708656215, 3611541620, 4333849944, 5417312430, 7223083240, 10834624860, 21669249720]

約数ペア:

[(1, 21669249720), (2, 10834624860), (3, 7223083240), (4, 5417312430), (5, 4333849944), (6, 3611541620), (8, 2708656215), (10, 2166924972), (12, 1805770810), (15, 1444616648), (20, 1083462486), (24, 902885405), (30, 722308324), (40, 541731243), (43, 503936040), (60, 361154162), (86, 251968020), (120, 180577081), (129, 167978680), (131, 165414120), (172, 125984010), (215, 100787208), (258, 83989340), (262, 82707060), (344, 62992005), (393, 55138040), (430, 50393604), (516, 41994670), (524, 41353530), (645, 33595736), (655, 33082824), (786, 27569020), (860, 25196802), (1032, 20997335), (1048, 20676765), (1290, 16797868), (1310, 16541412), (1572, 13784510), (1720, 12598401), (1965, 11027608), (2580, 8398934), (2620, 8270706), (3144, 6892255), (3930, 5513804), (5160, 4199467), (5240, 4135353), (5633, 3846840), (7860, 2756902), (11266, 1923420), (15720, 1378451), (16899, 1282280), (22532, 961710), (28165, 769368), (32057, 675960), (33798, 641140), (45064, 480855), (56330, 384684), (64114, 337980), (67596, 320570), (84495, 256456), (96171, 225320), (112660, 192342), (128228, 168990), (135192, 160285)]