21014911904

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{311}}^1$

素因数の和:659

約数の個数: 192

約数和(自身を含む): 50480381952

約数和(自身を除く): 29465470048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 37, 56, 62, 74, 112, 124, 148, 217, 224, 248, 259, 263, 296, 311, 434, 496, 518, 526, 592, 622, 868, 992, 1036, 1052, 1147, 1184, 1244, 1736, 1841, 2072, 2104, 2177, 2294, 2488, 3472, 3682, 4144, 4208, 4354, 4588, 4976, 6944, 7364, 8029, 8153, 8288, 8416, 8708, 9176, 9641, 9731, 9952, 11507, 14728, 16058, 16306, 17416, 18352, 19282, 19462, 23014, 29456, 32116, 32612, 34832, 36704, 38564, 38924, 46028, 57071, 58912, 64232, 65224, 67487, 68117, 69664, 77128, 77848, 80549, 81793, 92056, 114142, 128464, 130448, 134974, 136234, 154256, 155696, 161098, 163586, 184112, 228284, 256928, 260896, 269948, 272468, 301661, 308512, 311392, 322196, 327172, 356717, 368224, 456568, 539896, 544936, 572551, 603322, 644392, 654344, 713434, 913136, 1079792, 1089872, 1145102, 1206644, 1288784, 1308688, 1426868, 1826272, 2111627, 2159584, 2179744, 2290204, 2413288, 2497019, 2535583, 2577568, 2617376, 2853736, 3026341, 4223254, 4580408, 4826576, 4994038, 5071166, 5707472, 6052682, 8446508, 9160816, 9653152, 9988076, 10142332, 11414944, 12105364, 16893016, 17749081, 18321632, 19976152, 20284664, 21184387, 24210728, 33786032, 35498162, 39952304, 40569328, 42368774, 48421456, 67572064, 70996324, 79904608, 81138656, 84737548, 93816571, 96842912, 141992648, 169475096, 187633142, 283985296, 338950192, 375266284, 567970592, 656715997, 677900384, 750532568, 1313431994, 1501065136, 2626863988, 3002130272, 5253727976, 10507455952, 21014911904]

約数ペア:

[(1, 21014911904), (2, 10507455952), (4, 5253727976), (7, 3002130272), (8, 2626863988), (14, 1501065136), (16, 1313431994), (28, 750532568), (31, 677900384), (32, 656715997), (37, 567970592), (56, 375266284), (62, 338950192), (74, 283985296), (112, 187633142), (124, 169475096), (148, 141992648), (217, 96842912), (224, 93816571), (248, 84737548), (259, 81138656), (263, 79904608), (296, 70996324), (311, 67572064), (434, 48421456), (496, 42368774), (518, 40569328), (526, 39952304), (592, 35498162), (622, 33786032), (868, 24210728), (992, 21184387), (1036, 20284664), (1052, 19976152), (1147, 18321632), (1184, 17749081), (1244, 16893016), (1736, 12105364), (1841, 11414944), (2072, 10142332), (2104, 9988076), (2177, 9653152), (2294, 9160816), (2488, 8446508), (3472, 6052682), (3682, 5707472), (4144, 5071166), (4208, 4994038), (4354, 4826576), (4588, 4580408), (4976, 4223254), (6944, 3026341), (7364, 2853736), (8029, 2617376), (8153, 2577568), (8288, 2535583), (8416, 2497019), (8708, 2413288), (9176, 2290204), (9641, 2179744), (9731, 2159584), (9952, 2111627), (11507, 1826272), (14728, 1426868), (16058, 1308688), (16306, 1288784), (17416, 1206644), (18352, 1145102), (19282, 1089872), (19462, 1079792), (23014, 913136), (29456, 713434), (32116, 654344), (32612, 644392), (34832, 603322), (36704, 572551), (38564, 544936), (38924, 539896), (46028, 456568), (57071, 368224), (58912, 356717), (64232, 327172), (65224, 322196), (67487, 311392), (68117, 308512), (69664, 301661), (77128, 272468), (77848, 269948), (80549, 260896), (81793, 256928), (92056, 228284), (114142, 184112), (128464, 163586), (130448, 161098), (134974, 155696), (136234, 154256)]