21289086

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:386

約数の個数: 96

約数和(自身を含む): 58339008

約数和(自身を除く): 37049922

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 41, 42, 63, 78, 82, 91, 117, 123, 126, 182, 234, 246, 273, 287, 317, 369, 533, 546, 574, 634, 738, 819, 861, 951, 1066, 1599, 1638, 1722, 1902, 2219, 2583, 2853, 3198, 3731, 4121, 4438, 4797, 5166, 5706, 6657, 7462, 8242, 9594, 11193, 12363, 12997, 13314, 19971, 22386, 24726, 25994, 28847, 33579, 37089, 38991, 39942, 57694, 67158, 74178, 77982, 86541, 90979, 116973, 168961, 173082, 181958, 233946, 259623, 272937, 337922, 506883, 519246, 545874, 818811, 1013766, 1182727, 1520649, 1637622, 2365454, 3041298, 3548181, 7096362, 10644543, 21289086]

約数ペア:

[(1, 21289086), (2, 10644543), (3, 7096362), (6, 3548181), (7, 3041298), (9, 2365454), (13, 1637622), (14, 1520649), (18, 1182727), (21, 1013766), (26, 818811), (39, 545874), (41, 519246), (42, 506883), (63, 337922), (78, 272937), (82, 259623), (91, 233946), (117, 181958), (123, 173082), (126, 168961), (182, 116973), (234, 90979), (246, 86541), (273, 77982), (287, 74178), (317, 67158), (369, 57694), (533, 39942), (546, 38991), (574, 37089), (634, 33579), (738, 28847), (819, 25994), (861, 24726), (951, 22386), (1066, 19971), (1599, 13314), (1638, 12997), (1722, 12363), (1902, 11193), (2219, 9594), (2583, 8242), (2853, 7462), (3198, 6657), (3731, 5706), (4121, 5166), (4438, 4797)]