21408169216

素因数分解:

$2^8\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{4423}}^1$

素因数の和:4556

約数の個数: 144

約数和(自身を含む): 50855897344

約数和(自身を除く): 29447728128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 73, 74, 112, 128, 146, 148, 224, 256, 259, 292, 296, 448, 511, 518, 584, 592, 896, 1022, 1036, 1168, 1184, 1792, 2044, 2072, 2336, 2368, 2701, 4088, 4144, 4423, 4672, 4736, 5402, 8176, 8288, 8846, 9344, 9472, 10804, 16352, 16576, 17692, 18688, 18907, 21608, 30961, 32704, 33152, 35384, 37814, 43216, 61922, 65408, 66304, 70768, 75628, 86432, 123844, 130816, 141536, 151256, 163651, 172864, 247688, 283072, 302512, 322879, 327302, 345728, 495376, 566144, 605024, 645758, 654604, 691456, 990752, 1132288, 1145557, 1210048, 1291516, 1309208, 1981504, 2260153, 2291114, 2420096, 2583032, 2618416, 3963008, 4520306, 4582228, 4840192, 5166064, 5236832, 7926016, 9040612, 9164456, 10332128, 10473664, 11946523, 18081224, 18328912, 20664256, 20947328, 23893046, 36162448, 36657824, 41328512, 41894656, 47786092, 72324896, 73315648, 82657024, 83625661, 95572184, 144649792, 146631296, 167251322, 191144368, 289299584, 293262592, 334502644, 382288736, 578599168, 669005288, 764577472, 1338010576, 1529154944, 2676021152, 3058309888, 5352042304, 10704084608, 21408169216]

約数ペア:

[(1, 21408169216), (2, 10704084608), (4, 5352042304), (7, 3058309888), (8, 2676021152), (14, 1529154944), (16, 1338010576), (28, 764577472), (32, 669005288), (37, 578599168), (56, 382288736), (64, 334502644), (73, 293262592), (74, 289299584), (112, 191144368), (128, 167251322), (146, 146631296), (148, 144649792), (224, 95572184), (256, 83625661), (259, 82657024), (292, 73315648), (296, 72324896), (448, 47786092), (511, 41894656), (518, 41328512), (584, 36657824), (592, 36162448), (896, 23893046), (1022, 20947328), (1036, 20664256), (1168, 18328912), (1184, 18081224), (1792, 11946523), (2044, 10473664), (2072, 10332128), (2336, 9164456), (2368, 9040612), (2701, 7926016), (4088, 5236832), (4144, 5166064), (4423, 4840192), (4672, 4582228), (4736, 4520306), (5402, 3963008), (8176, 2618416), (8288, 2583032), (8846, 2420096), (9344, 2291114), (9472, 2260153), (10804, 1981504), (16352, 1309208), (16576, 1291516), (17692, 1210048), (18688, 1145557), (18907, 1132288), (21608, 990752), (30961, 691456), (32704, 654604), (33152, 645758), (35384, 605024), (37814, 566144), (43216, 495376), (61922, 345728), (65408, 327302), (66304, 322879), (70768, 302512), (75628, 283072), (86432, 247688), (123844, 172864), (130816, 163651), (141536, 151256)]