21403204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1931}}^1$

素因数の和:2115

約数の個数: 24

約数和(自身を含む): 39922848

約数和(自身を除く): 18519644

約数列:

[1, 2, 4, 17, 34, 68, 163, 326, 652, 1931, 2771, 3862, 5542, 7724, 11084, 32827, 65654, 131308, 314753, 629506, 1259012, 5350801, 10701602, 21403204]

約数ペア:

[(1, 21403204), (2, 10701602), (4, 5350801), (17, 1259012), (34, 629506), (68, 314753), (163, 131308), (326, 65654), (652, 32827), (1931, 11084), (2771, 7724), (3862, 5542)]