21103698356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1021}}^1\times {\mathrm{397493}}^1$

素因数の和:398531

約数の個数: 24

約数和(自身を含む): 39811409064

約数和(自身を除く): 18707710708

約数列:

[1, 2, 4, 13, 26, 52, 1021, 2042, 4084, 13273, 26546, 53092, 397493, 794986, 1589972, 5167409, 10334818, 20669636, 405840353, 811680706, 1623361412, 5275924589, 10551849178, 21103698356]

約数ペア:

[(1, 21103698356), (2, 10551849178), (4, 5275924589), (13, 1623361412), (26, 811680706), (52, 405840353), (1021, 20669636), (2042, 10334818), (4084, 5167409), (13273, 1589972), (26546, 794986), (53092, 397493)]