21042010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8317}}^1$

素因数の和:8358

約数の個数: 32

約数和(自身を含む): 43120512

約数和(自身を除く): 22078502

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8317, 16634, 41585, 83170, 91487, 182974, 191291, 382582, 457435, 914870, 956455, 1912910, 2104201, 4208402, 10521005, 21042010]

約数ペア:

[(1, 21042010), (2, 10521005), (5, 4208402), (10, 2104201), (11, 1912910), (22, 956455), (23, 914870), (46, 457435), (55, 382582), (110, 191291), (115, 182974), (230, 91487), (253, 83170), (506, 41585), (1265, 16634), (2530, 8317)]