21175616

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4297}}^1$

素因数の和:4327

約数の個数: 56

約数和(自身を含む): 52401216

約数和(自身を除く): 31225600

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4297, 4928, 8594, 17188, 30079, 34376, 47267, 60158, 68752, 94534, 120316, 137504, 189068, 240632, 275008, 330869, 378136, 481264, 661738, 756272, 962528, 1323476, 1512544, 1925056, 2646952, 3025088, 5293904, 10587808, 21175616]

約数ペア:

[(1, 21175616), (2, 10587808), (4, 5293904), (7, 3025088), (8, 2646952), (11, 1925056), (14, 1512544), (16, 1323476), (22, 962528), (28, 756272), (32, 661738), (44, 481264), (56, 378136), (64, 330869), (77, 275008), (88, 240632), (112, 189068), (154, 137504), (176, 120316), (224, 94534), (308, 68752), (352, 60158), (448, 47267), (616, 34376), (704, 30079), (1232, 17188), (2464, 8594), (4297, 4928)]