21682808820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{12379}}^1$

素因数の和:12694

約数の個数: 144

約数和(自身を含む): 67811103360

約数和(自身を除く): 46128294540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 263, 333, 370, 444, 526, 555, 666, 740, 789, 1052, 1110, 1315, 1332, 1578, 1665, 2220, 2367, 2630, 3156, 3330, 3945, 4734, 5260, 6660, 7890, 9468, 9731, 11835, 12379, 15780, 19462, 23670, 24758, 29193, 37137, 38924, 47340, 48655, 49516, 58386, 61895, 74274, 87579, 97310, 111411, 116772, 123790, 145965, 148548, 175158, 185685, 194620, 222822, 247580, 291930, 350316, 371370, 437895, 445644, 458023, 557055, 583860, 742740, 875790, 916046, 1114110, 1374069, 1751580, 1832092, 2228220, 2290115, 2748138, 3255677, 4122207, 4580230, 5496276, 6511354, 6870345, 8244414, 9160460, 9767031, 13022708, 13740690, 16278385, 16488828, 19534062, 20611035, 27481380, 29301093, 32556770, 39068124, 41222070, 48835155, 58602186, 65113540, 82444140, 97670310, 117204372, 120460049, 146505465, 195340620, 240920098, 293010930, 361380147, 481840196, 586021860, 602300245, 722760294, 1084140441, 1204600490, 1445520588, 1806900735, 2168280882, 2409200980, 3613801470, 4336561764, 5420702205, 7227602940, 10841404410, 21682808820]

約数ペア:

[(1, 21682808820), (2, 10841404410), (3, 7227602940), (4, 5420702205), (5, 4336561764), (6, 3613801470), (9, 2409200980), (10, 2168280882), (12, 1806900735), (15, 1445520588), (18, 1204600490), (20, 1084140441), (30, 722760294), (36, 602300245), (37, 586021860), (45, 481840196), (60, 361380147), (74, 293010930), (90, 240920098), (111, 195340620), (148, 146505465), (180, 120460049), (185, 117204372), (222, 97670310), (263, 82444140), (333, 65113540), (370, 58602186), (444, 48835155), (526, 41222070), (555, 39068124), (666, 32556770), (740, 29301093), (789, 27481380), (1052, 20611035), (1110, 19534062), (1315, 16488828), (1332, 16278385), (1578, 13740690), (1665, 13022708), (2220, 9767031), (2367, 9160460), (2630, 8244414), (3156, 6870345), (3330, 6511354), (3945, 5496276), (4734, 4580230), (5260, 4122207), (6660, 3255677), (7890, 2748138), (9468, 2290115), (9731, 2228220), (11835, 1832092), (12379, 1751580), (15780, 1374069), (19462, 1114110), (23670, 916046), (24758, 875790), (29193, 742740), (37137, 583860), (38924, 557055), (47340, 458023), (48655, 445644), (49516, 437895), (58386, 371370), (61895, 350316), (74274, 291930), (87579, 247580), (97310, 222822), (111411, 194620), (116772, 185685), (123790, 175158), (145965, 148548)]