21290147241

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{449}}^1\times {\mathrm{3413}}^1$

素因数の和:4297

約数の個数: 32

約数和(自身を含む): 31119292800

約数和(自身を除く): 9829145559

約数列:

[1, 3, 11, 33, 421, 449, 1263, 1347, 3413, 4631, 4939, 10239, 13893, 14817, 37543, 112629, 189029, 567087, 1436873, 1532437, 2079319, 4310619, 4597311, 6237957, 15805603, 16856807, 47416809, 50570421, 645155977, 1935467931, 7096715747, 21290147241]

約数ペア:

[(1, 21290147241), (3, 7096715747), (11, 1935467931), (33, 645155977), (421, 50570421), (449, 47416809), (1263, 16856807), (1347, 15805603), (3413, 6237957), (4631, 4597311), (4939, 4310619), (10239, 2079319), (13893, 1532437), (14817, 1436873), (37543, 567087), (112629, 189029)]