21488170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11491}}^1$

素因数の和:11526

約数の個数: 32

約数和(自身を含む): 44680896

約数和(自身を除く): 23192726

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 11491, 22982, 57455, 114910, 126401, 195347, 252802, 390694, 632005, 976735, 1264010, 1953470, 2148817, 4297634, 10744085, 21488170]

約数ペア:

[(1, 21488170), (2, 10744085), (5, 4297634), (10, 2148817), (11, 1953470), (17, 1264010), (22, 976735), (34, 632005), (55, 390694), (85, 252802), (110, 195347), (170, 126401), (187, 114910), (374, 57455), (935, 22982), (1870, 11491)]