21041852416

素因数分解:

$2^{12}\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2617}}^1$

素因数の和:2805

約数の個数: 104

約数和(自身を含む): 45632912864

約数和(自身を除く): 24591060448

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 151, 208, 256, 302, 416, 512, 604, 832, 1024, 1208, 1664, 1963, 2048, 2416, 2617, 3328, 3926, 4096, 4832, 5234, 6656, 7852, 9664, 10468, 13312, 15704, 19328, 20936, 26624, 31408, 34021, 38656, 41872, 53248, 62816, 68042, 77312, 83744, 125632, 136084, 154624, 167488, 251264, 272168, 309248, 334976, 395167, 502528, 544336, 618496, 669952, 790334, 1005056, 1088672, 1339904, 1580668, 2010112, 2177344, 2679808, 3161336, 4020224, 4354688, 5137171, 5359616, 6322672, 8040448, 8709376, 10274342, 10719232, 12645344, 17418752, 20548684, 25290688, 34837504, 41097368, 50581376, 69675008, 82194736, 101162752, 139350016, 164389472, 202325504, 328778944, 404651008, 657557888, 809302016, 1315115776, 1618604032, 2630231552, 5260463104, 10520926208, 21041852416]

約数ペア:

[(1, 21041852416), (2, 10520926208), (4, 5260463104), (8, 2630231552), (13, 1618604032), (16, 1315115776), (26, 809302016), (32, 657557888), (52, 404651008), (64, 328778944), (104, 202325504), (128, 164389472), (151, 139350016), (208, 101162752), (256, 82194736), (302, 69675008), (416, 50581376), (512, 41097368), (604, 34837504), (832, 25290688), (1024, 20548684), (1208, 17418752), (1664, 12645344), (1963, 10719232), (2048, 10274342), (2416, 8709376), (2617, 8040448), (3328, 6322672), (3926, 5359616), (4096, 5137171), (4832, 4354688), (5234, 4020224), (6656, 3161336), (7852, 2679808), (9664, 2177344), (10468, 2010112), (13312, 1580668), (15704, 1339904), (19328, 1088672), (20936, 1005056), (26624, 790334), (31408, 669952), (34021, 618496), (38656, 544336), (41872, 502528), (53248, 395167), (62816, 334976), (68042, 309248), (77312, 272168), (83744, 251264), (125632, 167488), (136084, 154624)]