21181085632

素因数分解:

$2^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{9811}}^1$

素因数の和:9970

約数の個数: 112

約数和(自身を含む): 49446200320

約数和(自身を除く): 28265114688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 79, 112, 122, 158, 224, 244, 316, 427, 448, 488, 553, 632, 854, 976, 1106, 1264, 1708, 1952, 2212, 2528, 3416, 3904, 4424, 4819, 5056, 6832, 8848, 9638, 9811, 13664, 17696, 19276, 19622, 27328, 33733, 35392, 38552, 39244, 67466, 68677, 77104, 78488, 134932, 137354, 154208, 156976, 269864, 274708, 308416, 313952, 539728, 549416, 598471, 627904, 775069, 1079456, 1098832, 1196942, 1550138, 2158912, 2197664, 2393884, 3100276, 4189297, 4395328, 4787768, 5425483, 6200552, 8378594, 9575536, 10850966, 12401104, 16757188, 19151072, 21701932, 24802208, 33514376, 38302144, 43403864, 47279209, 49604416, 67028752, 86807728, 94558418, 134057504, 173615456, 189116836, 268115008, 330954463, 347230912, 378233672, 661908926, 756467344, 1323817852, 1512934688, 2647635704, 3025869376, 5295271408, 10590542816, 21181085632]

約数ペア:

[(1, 21181085632), (2, 10590542816), (4, 5295271408), (7, 3025869376), (8, 2647635704), (14, 1512934688), (16, 1323817852), (28, 756467344), (32, 661908926), (56, 378233672), (61, 347230912), (64, 330954463), (79, 268115008), (112, 189116836), (122, 173615456), (158, 134057504), (224, 94558418), (244, 86807728), (316, 67028752), (427, 49604416), (448, 47279209), (488, 43403864), (553, 38302144), (632, 33514376), (854, 24802208), (976, 21701932), (1106, 19151072), (1264, 16757188), (1708, 12401104), (1952, 10850966), (2212, 9575536), (2528, 8378594), (3416, 6200552), (3904, 5425483), (4424, 4787768), (4819, 4395328), (5056, 4189297), (6832, 3100276), (8848, 2393884), (9638, 2197664), (9811, 2158912), (13664, 1550138), (17696, 1196942), (19276, 1098832), (19622, 1079456), (27328, 775069), (33733, 627904), (35392, 598471), (38552, 549416), (39244, 539728), (67466, 313952), (68677, 308416), (77104, 274708), (78488, 269864), (134932, 156976), (137354, 154208)]