21005322

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1367}}^1$

素因数の和:1582

約数の個数: 32

約数和(自身を含む): 45505152

約数和(自身を除く): 24499830

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 197, 394, 591, 1182, 1367, 2561, 2734, 4101, 5122, 7683, 8202, 15366, 17771, 35542, 53313, 106626, 269299, 538598, 807897, 1615794, 3500887, 7001774, 10502661, 21005322]

約数ペア:

[(1, 21005322), (2, 10502661), (3, 7001774), (6, 3500887), (13, 1615794), (26, 807897), (39, 538598), (78, 269299), (197, 106626), (394, 53313), (591, 35542), (1182, 17771), (1367, 15366), (2561, 8202), (2734, 7683), (4101, 5122)]