21268908

素因数分解:

$2^2\times 3^2\times {\mathrm{197}}^1\times {\mathrm{2999}}^1$

素因数の和:3206

約数の個数: 36

約数和(自身を含む): 54054000

約数和(自身を除く): 32785092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 197, 394, 591, 788, 1182, 1773, 2364, 2999, 3546, 5998, 7092, 8997, 11996, 17994, 26991, 35988, 53982, 107964, 590803, 1181606, 1772409, 2363212, 3544818, 5317227, 7089636, 10634454, 21268908]

約数ペア:

[(1, 21268908), (2, 10634454), (3, 7089636), (4, 5317227), (6, 3544818), (9, 2363212), (12, 1772409), (18, 1181606), (36, 590803), (197, 107964), (394, 53982), (591, 35988), (788, 26991), (1182, 17994), (1773, 11996), (2364, 8997), (2999, 7092), (3546, 5998)]