21481779968

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{48589}}^1$

素因数の和:48773

約数の個数: 72

約数和(自身を含む): 47076713040

約数和(自身を除く): 25594933072

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 157, 176, 256, 314, 352, 628, 704, 1256, 1408, 1727, 2512, 2816, 3454, 5024, 6908, 10048, 13816, 20096, 27632, 40192, 48589, 55264, 97178, 110528, 194356, 221056, 388712, 442112, 534479, 777424, 1068958, 1554848, 2137916, 3109696, 4275832, 6219392, 7628473, 8551664, 12438784, 15256946, 17103328, 30513892, 34206656, 61027784, 68413312, 83913203, 122055568, 136826624, 167826406, 244111136, 335652812, 488222272, 671305624, 976444544, 1342611248, 1952889088, 2685222496, 5370444992, 10740889984, 21481779968]

約数ペア:

[(1, 21481779968), (2, 10740889984), (4, 5370444992), (8, 2685222496), (11, 1952889088), (16, 1342611248), (22, 976444544), (32, 671305624), (44, 488222272), (64, 335652812), (88, 244111136), (128, 167826406), (157, 136826624), (176, 122055568), (256, 83913203), (314, 68413312), (352, 61027784), (628, 34206656), (704, 30513892), (1256, 17103328), (1408, 15256946), (1727, 12438784), (2512, 8551664), (2816, 7628473), (3454, 6219392), (5024, 4275832), (6908, 3109696), (10048, 2137916), (13816, 1554848), (20096, 1068958), (27632, 777424), (40192, 534479), (48589, 442112), (55264, 388712), (97178, 221056), (110528, 194356)]