21125706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6367}}^1$

素因数の和:6458

約数の個数: 32

約数和(自身を含む): 48906240

約数和(自身を除く): 27780534

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 6367, 12734, 19101, 38202, 44569, 89138, 133707, 267414, 502993, 1005986, 1508979, 3017958, 3520951, 7041902, 10562853, 21125706]

約数ペア:

[(1, 21125706), (2, 10562853), (3, 7041902), (6, 3520951), (7, 3017958), (14, 1508979), (21, 1005986), (42, 502993), (79, 267414), (158, 133707), (237, 89138), (474, 44569), (553, 38202), (1106, 19101), (1659, 12734), (3318, 6367)]