21211508724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{187189}}^1$

素因数の和:187293

約数の個数: 96

約数和(自身を含む): 60380006400

約数和(自身を除く): 39168497676

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 71, 76, 84, 114, 133, 142, 213, 228, 266, 284, 399, 426, 497, 532, 798, 852, 994, 1349, 1491, 1596, 1988, 2698, 2982, 4047, 5396, 5964, 8094, 9443, 16188, 18886, 28329, 37772, 56658, 113316, 187189, 374378, 561567, 748756, 1123134, 1310323, 2246268, 2620646, 3556591, 3930969, 5241292, 7113182, 7861938, 10669773, 13290419, 14226364, 15723876, 21339546, 24896137, 26580838, 39871257, 42679092, 49792274, 53161676, 74688411, 79742514, 93032933, 99584548, 149376822, 159485028, 186065866, 252517961, 279098799, 298753644, 372131732, 505035922, 558197598, 757553883, 1010071844, 1116395196, 1515107766, 1767625727, 3030215532, 3535251454, 5302877181, 7070502908, 10605754362, 21211508724]

約数ペア:

[(1, 21211508724), (2, 10605754362), (3, 7070502908), (4, 5302877181), (6, 3535251454), (7, 3030215532), (12, 1767625727), (14, 1515107766), (19, 1116395196), (21, 1010071844), (28, 757553883), (38, 558197598), (42, 505035922), (57, 372131732), (71, 298753644), (76, 279098799), (84, 252517961), (114, 186065866), (133, 159485028), (142, 149376822), (213, 99584548), (228, 93032933), (266, 79742514), (284, 74688411), (399, 53161676), (426, 49792274), (497, 42679092), (532, 39871257), (798, 26580838), (852, 24896137), (994, 21339546), (1349, 15723876), (1491, 14226364), (1596, 13290419), (1988, 10669773), (2698, 7861938), (2982, 7113182), (4047, 5241292), (5396, 3930969), (5964, 3556591), (8094, 2620646), (9443, 2246268), (16188, 1310323), (18886, 1123134), (28329, 748756), (37772, 561567), (56658, 374378), (113316, 187189)]