21386486268

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{8447}}^1$

素因数の和:8681

約数の個数: 192

約数和(自身を含む): 67443425280

約数和(自身を除く): 46056939012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 84, 102, 108, 119, 126, 153, 189, 197, 204, 238, 252, 306, 357, 378, 394, 459, 476, 591, 612, 714, 756, 788, 918, 1071, 1182, 1379, 1428, 1773, 1836, 2142, 2364, 2758, 3213, 3349, 3546, 4137, 4284, 5319, 5516, 6426, 6698, 7092, 8274, 8447, 10047, 10638, 12411, 12852, 13396, 16548, 16894, 20094, 21276, 23443, 24822, 25341, 30141, 33788, 37233, 40188, 46886, 49644, 50682, 59129, 60282, 70329, 74466, 76023, 90423, 93772, 101364, 118258, 120564, 140658, 143599, 148932, 152046, 177387, 180846, 210987, 228069, 236516, 281316, 287198, 304092, 354774, 361692, 421974, 430797, 456138, 532161, 574396, 632961, 709548, 843948, 861594, 912276, 1005193, 1064322, 1265922, 1292391, 1596483, 1664059, 1723188, 2010386, 2128644, 2531844, 2584782, 3015579, 3192966, 3328118, 3877173, 4020772, 4992177, 5169564, 6031158, 6385932, 6656236, 7754346, 9046737, 9984354, 11648413, 12062316, 14976531, 15508692, 18093474, 19968708, 23296826, 27140211, 28289003, 29953062, 34945239, 36186948, 44929593, 46593652, 54280422, 56578006, 59906124, 69890478, 84867009, 89859186, 104835717, 108560844, 113156012, 139780956, 169734018, 179718372, 198023021, 209671434, 254601027, 314507151, 339468036, 396046042, 419342868, 509202054, 594069063, 629014302, 763803081, 792092084, 1018404108, 1188138126, 1258028604, 1527606162, 1782207189, 2376276252, 3055212324, 3564414378, 5346621567, 7128828756, 10693243134, 21386486268]

約数ペア:

[(1, 21386486268), (2, 10693243134), (3, 7128828756), (4, 5346621567), (6, 3564414378), (7, 3055212324), (9, 2376276252), (12, 1782207189), (14, 1527606162), (17, 1258028604), (18, 1188138126), (21, 1018404108), (27, 792092084), (28, 763803081), (34, 629014302), (36, 594069063), (42, 509202054), (51, 419342868), (54, 396046042), (63, 339468036), (68, 314507151), (84, 254601027), (102, 209671434), (108, 198023021), (119, 179718372), (126, 169734018), (153, 139780956), (189, 113156012), (197, 108560844), (204, 104835717), (238, 89859186), (252, 84867009), (306, 69890478), (357, 59906124), (378, 56578006), (394, 54280422), (459, 46593652), (476, 44929593), (591, 36186948), (612, 34945239), (714, 29953062), (756, 28289003), (788, 27140211), (918, 23296826), (1071, 19968708), (1182, 18093474), (1379, 15508692), (1428, 14976531), (1773, 12062316), (1836, 11648413), (2142, 9984354), (2364, 9046737), (2758, 7754346), (3213, 6656236), (3349, 6385932), (3546, 6031158), (4137, 5169564), (4284, 4992177), (5319, 4020772), (5516, 3877173), (6426, 3328118), (6698, 3192966), (7092, 3015579), (8274, 2584782), (8447, 2531844), (10047, 2128644), (10638, 2010386), (12411, 1723188), (12852, 1664059), (13396, 1596483), (16548, 1292391), (16894, 1265922), (20094, 1064322), (21276, 1005193), (23443, 912276), (24822, 861594), (25341, 843948), (30141, 709548), (33788, 632961), (37233, 574396), (40188, 532161), (46886, 456138), (49644, 430797), (50682, 421974), (59129, 361692), (60282, 354774), (70329, 304092), (74466, 287198), (76023, 281316), (90423, 236516), (93772, 228069), (101364, 210987), (118258, 180846), (120564, 177387), (140658, 152046), (143599, 148932)]