21742255980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{25307}}^1$

素因数の和:25405

約数の個数: 192

約数和(自身を含む): 71089159680

約数和(自身を除く): 49346903700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 43, 45, 54, 60, 74, 86, 90, 108, 111, 129, 135, 148, 172, 180, 185, 215, 222, 258, 270, 333, 370, 387, 430, 444, 516, 540, 555, 645, 666, 740, 774, 860, 999, 1110, 1161, 1290, 1332, 1548, 1591, 1665, 1935, 1998, 2220, 2322, 2580, 3182, 3330, 3870, 3996, 4644, 4773, 4995, 5805, 6364, 6660, 7740, 7955, 9546, 9990, 11610, 14319, 15910, 19092, 19980, 23220, 23865, 25307, 28638, 31820, 42957, 47730, 50614, 57276, 71595, 75921, 85914, 95460, 101228, 126535, 143190, 151842, 171828, 214785, 227763, 253070, 286380, 303684, 379605, 429570, 455526, 506140, 683289, 759210, 859140, 911052, 936359, 1088201, 1138815, 1366578, 1518420, 1872718, 2176402, 2277630, 2733156, 2809077, 3264603, 3416445, 3745436, 4352804, 4555260, 4681795, 5441005, 5618154, 6529206, 6832890, 8427231, 9363590, 9793809, 10882010, 11236308, 13058412, 13665780, 14045385, 16323015, 16854462, 18727180, 19587618, 21764020, 25281693, 28090770, 29381427, 32646030, 33708924, 39175236, 40263437, 42136155, 48969045, 50563386, 56181540, 58762854, 65292060, 80526874, 84272310, 97938090, 101126772, 117525708, 120790311, 126408465, 146907135, 161053748, 168544620, 195876180, 201317185, 241580622, 252816930, 293814270, 362370933, 402634370, 483161244, 505633860, 587628540, 603951555, 724741866, 805268740, 1087112799, 1207903110, 1449483732, 1811854665, 2174225598, 2415806220, 3623709330, 4348451196, 5435563995, 7247418660, 10871127990, 21742255980]

約数ペア:

[(1, 21742255980), (2, 10871127990), (3, 7247418660), (4, 5435563995), (5, 4348451196), (6, 3623709330), (9, 2415806220), (10, 2174225598), (12, 1811854665), (15, 1449483732), (18, 1207903110), (20, 1087112799), (27, 805268740), (30, 724741866), (36, 603951555), (37, 587628540), (43, 505633860), (45, 483161244), (54, 402634370), (60, 362370933), (74, 293814270), (86, 252816930), (90, 241580622), (108, 201317185), (111, 195876180), (129, 168544620), (135, 161053748), (148, 146907135), (172, 126408465), (180, 120790311), (185, 117525708), (215, 101126772), (222, 97938090), (258, 84272310), (270, 80526874), (333, 65292060), (370, 58762854), (387, 56181540), (430, 50563386), (444, 48969045), (516, 42136155), (540, 40263437), (555, 39175236), (645, 33708924), (666, 32646030), (740, 29381427), (774, 28090770), (860, 25281693), (999, 21764020), (1110, 19587618), (1161, 18727180), (1290, 16854462), (1332, 16323015), (1548, 14045385), (1591, 13665780), (1665, 13058412), (1935, 11236308), (1998, 10882010), (2220, 9793809), (2322, 9363590), (2580, 8427231), (3182, 6832890), (3330, 6529206), (3870, 5618154), (3996, 5441005), (4644, 4681795), (4773, 4555260), (4995, 4352804), (5805, 3745436), (6364, 3416445), (6660, 3264603), (7740, 2809077), (7955, 2733156), (9546, 2277630), (9990, 2176402), (11610, 1872718), (14319, 1518420), (15910, 1366578), (19092, 1138815), (19980, 1088201), (23220, 936359), (23865, 911052), (25307, 859140), (28638, 759210), (31820, 683289), (42957, 506140), (47730, 455526), (50614, 429570), (57276, 379605), (71595, 303684), (75921, 286380), (85914, 253070), (95460, 227763), (101228, 214785), (126535, 171828), (143190, 151842)]