21004802

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{881}}^1$

素因数の和:1034

約数の個数: 32

約数和(自身を含む): 39118464

約数和(自身を除く): 18113662

約数列:

[1, 2, 7, 13, 14, 26, 91, 131, 182, 262, 881, 917, 1703, 1762, 1834, 3406, 6167, 11453, 11921, 12334, 22906, 23842, 80171, 115411, 160342, 230822, 807877, 1500343, 1615754, 3000686, 10502401, 21004802]

約数ペア:

[(1, 21004802), (2, 10502401), (7, 3000686), (13, 1615754), (14, 1500343), (26, 807877), (91, 230822), (131, 160342), (182, 115411), (262, 80171), (881, 23842), (917, 22906), (1703, 12334), (1762, 11921), (1834, 11453), (3406, 6167)]