21289110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1039}}^1$

素因数の和:1732

約数の個数: 32

約数和(自身を含む): 51217920

約数和(自身を除く): 29928810

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 683, 1039, 1366, 2049, 2078, 3117, 3415, 4098, 5195, 6234, 6830, 10245, 10390, 15585, 20490, 31170, 709637, 1419274, 2128911, 3548185, 4257822, 7096370, 10644555, 21289110]

約数ペア:

[(1, 21289110), (2, 10644555), (3, 7096370), (5, 4257822), (6, 3548185), (10, 2128911), (15, 1419274), (30, 709637), (683, 31170), (1039, 20490), (1366, 15585), (2049, 10390), (2078, 10245), (3117, 6830), (3415, 6234), (4098, 5195)]