21298021260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{3259}}^1$

素因数の和:3480

約数の個数: 192

約数和(自身を含む): 65064384000

約数和(自身を除く): 43766362740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 43, 51, 60, 68, 85, 86, 102, 129, 149, 170, 172, 204, 215, 255, 258, 298, 340, 430, 447, 510, 516, 596, 645, 731, 745, 860, 894, 1020, 1290, 1462, 1490, 1788, 2193, 2235, 2533, 2580, 2924, 2980, 3259, 3655, 4386, 4470, 5066, 6407, 6518, 7310, 7599, 8772, 8940, 9777, 10132, 10965, 12665, 12814, 13036, 14620, 15198, 16295, 19221, 19554, 21930, 25330, 25628, 30396, 32035, 32590, 37995, 38442, 39108, 43860, 48885, 50660, 55403, 64070, 65180, 75990, 76884, 96105, 97770, 108919, 110806, 128140, 140137, 151980, 166209, 192210, 195540, 217838, 221612, 277015, 280274, 326757, 332418, 384420, 420411, 435676, 485591, 544595, 554030, 560548, 653514, 664836, 700685, 831045, 840822, 971182, 1089190, 1108060, 1307028, 1401370, 1456773, 1633785, 1662090, 1681644, 1942364, 2102055, 2178380, 2382329, 2427955, 2802740, 2913546, 3267570, 3324180, 4204110, 4764658, 4855910, 5827092, 6535140, 7146987, 7283865, 8255047, 8408220, 9529316, 9711820, 11911645, 14293974, 14567730, 16510094, 20880413, 23823290, 24765141, 28587948, 29135460, 33020188, 35734935, 41275235, 41760826, 47646580, 49530282, 62641239, 71469870, 82550470, 83521652, 99060564, 104402065, 123825705, 125282478, 142939740, 165100940, 208804130, 247651410, 250564956, 313206195, 354967021, 417608260, 495302820, 626412390, 709934042, 1064901063, 1252824780, 1419868084, 1774835105, 2129802126, 3549670210, 4259604252, 5324505315, 7099340420, 10649010630, 21298021260]

約数ペア:

[(1, 21298021260), (2, 10649010630), (3, 7099340420), (4, 5324505315), (5, 4259604252), (6, 3549670210), (10, 2129802126), (12, 1774835105), (15, 1419868084), (17, 1252824780), (20, 1064901063), (30, 709934042), (34, 626412390), (43, 495302820), (51, 417608260), (60, 354967021), (68, 313206195), (85, 250564956), (86, 247651410), (102, 208804130), (129, 165100940), (149, 142939740), (170, 125282478), (172, 123825705), (204, 104402065), (215, 99060564), (255, 83521652), (258, 82550470), (298, 71469870), (340, 62641239), (430, 49530282), (447, 47646580), (510, 41760826), (516, 41275235), (596, 35734935), (645, 33020188), (731, 29135460), (745, 28587948), (860, 24765141), (894, 23823290), (1020, 20880413), (1290, 16510094), (1462, 14567730), (1490, 14293974), (1788, 11911645), (2193, 9711820), (2235, 9529316), (2533, 8408220), (2580, 8255047), (2924, 7283865), (2980, 7146987), (3259, 6535140), (3655, 5827092), (4386, 4855910), (4470, 4764658), (5066, 4204110), (6407, 3324180), (6518, 3267570), (7310, 2913546), (7599, 2802740), (8772, 2427955), (8940, 2382329), (9777, 2178380), (10132, 2102055), (10965, 1942364), (12665, 1681644), (12814, 1662090), (13036, 1633785), (14620, 1456773), (15198, 1401370), (16295, 1307028), (19221, 1108060), (19554, 1089190), (21930, 971182), (25330, 840822), (25628, 831045), (30396, 700685), (32035, 664836), (32590, 653514), (37995, 560548), (38442, 554030), (39108, 544595), (43860, 485591), (48885, 435676), (50660, 420411), (55403, 384420), (64070, 332418), (65180, 326757), (75990, 280274), (76884, 277015), (96105, 221612), (97770, 217838), (108919, 195540), (110806, 192210), (128140, 166209), (140137, 151980)]