21706356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3271}}^1$

素因数の和:3364

約数の個数: 48

約数和(自身を含む): 58634240

約数和(自身を除く): 36927884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 3271, 3318, 6542, 6636, 9813, 13084, 19626, 22897, 39252, 45794, 68691, 91588, 137382, 258409, 274764, 516818, 775227, 1033636, 1550454, 1808863, 3100908, 3617726, 5426589, 7235452, 10853178, 21706356]

約数ペア:

[(1, 21706356), (2, 10853178), (3, 7235452), (4, 5426589), (6, 3617726), (7, 3100908), (12, 1808863), (14, 1550454), (21, 1033636), (28, 775227), (42, 516818), (79, 274764), (84, 258409), (158, 137382), (237, 91588), (316, 68691), (474, 45794), (553, 39252), (948, 22897), (1106, 19626), (1659, 13084), (2212, 9813), (3271, 6636), (3318, 6542)]