21015710172

素因数分解:

$2^2\times 3^5\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{1031}}^1$

素因数の和:1430

約数の個数: 144

約数和(自身を含む): 56145852672

約数和(自身を除く): 35130142500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 81, 108, 134, 162, 201, 243, 268, 313, 324, 402, 486, 603, 626, 804, 939, 972, 1031, 1206, 1252, 1809, 1878, 2062, 2412, 2817, 3093, 3618, 3756, 4124, 5427, 5634, 6186, 7236, 8451, 9279, 10854, 11268, 12372, 16281, 16902, 18558, 20971, 21708, 25353, 27837, 32562, 33804, 37116, 41942, 50706, 55674, 62913, 65124, 69077, 76059, 83511, 83884, 101412, 111348, 125826, 138154, 152118, 167022, 188739, 207231, 250533, 251652, 276308, 304236, 322703, 334044, 377478, 414462, 501066, 566217, 621693, 645406, 754956, 828924, 968109, 1002132, 1132434, 1243386, 1290812, 1698651, 1865079, 1936218, 2264868, 2486772, 2904327, 3397302, 3730158, 3872436, 5095953, 5595237, 5808654, 6794604, 7460316, 8712981, 10191906, 11190474, 11617308, 16785711, 17425962, 20383812, 21621101, 22380948, 26138943, 33571422, 34851924, 43242202, 52277886, 64863303, 67142844, 78416829, 86484404, 104555772, 129726606, 156833658, 194589909, 259453212, 313667316, 389179818, 583769727, 778359636, 1167539454, 1751309181, 2335078908, 3502618362, 5253927543, 7005236724, 10507855086, 21015710172]

約数ペア:

[(1, 21015710172), (2, 10507855086), (3, 7005236724), (4, 5253927543), (6, 3502618362), (9, 2335078908), (12, 1751309181), (18, 1167539454), (27, 778359636), (36, 583769727), (54, 389179818), (67, 313667316), (81, 259453212), (108, 194589909), (134, 156833658), (162, 129726606), (201, 104555772), (243, 86484404), (268, 78416829), (313, 67142844), (324, 64863303), (402, 52277886), (486, 43242202), (603, 34851924), (626, 33571422), (804, 26138943), (939, 22380948), (972, 21621101), (1031, 20383812), (1206, 17425962), (1252, 16785711), (1809, 11617308), (1878, 11190474), (2062, 10191906), (2412, 8712981), (2817, 7460316), (3093, 6794604), (3618, 5808654), (3756, 5595237), (4124, 5095953), (5427, 3872436), (5634, 3730158), (6186, 3397302), (7236, 2904327), (8451, 2486772), (9279, 2264868), (10854, 1936218), (11268, 1865079), (12372, 1698651), (16281, 1290812), (16902, 1243386), (18558, 1132434), (20971, 1002132), (21708, 968109), (25353, 828924), (27837, 754956), (32562, 645406), (33804, 621693), (37116, 566217), (41942, 501066), (50706, 414462), (55674, 377478), (62913, 334044), (65124, 322703), (69077, 304236), (76059, 276308), (83511, 251652), (83884, 250533), (101412, 207231), (111348, 188739), (125826, 167022), (138154, 152118)]