21262969884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{836203}}^1$

素因数の和:836386

約数の個数: 48

約数和(自身を含む): 53757882752

約数和(自身を除く): 32494912868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 163, 326, 489, 652, 978, 1956, 2119, 4238, 6357, 8476, 12714, 25428, 836203, 1672406, 2508609, 3344812, 5017218, 10034436, 10870639, 21741278, 32611917, 43482556, 65223834, 130447668, 136301089, 272602178, 408903267, 545204356, 817806534, 1635613068, 1771914157, 3543828314, 5315742471, 7087656628, 10631484942, 21262969884]

約数ペア:

[(1, 21262969884), (2, 10631484942), (3, 7087656628), (4, 5315742471), (6, 3543828314), (12, 1771914157), (13, 1635613068), (26, 817806534), (39, 545204356), (52, 408903267), (78, 272602178), (156, 136301089), (163, 130447668), (326, 65223834), (489, 43482556), (652, 32611917), (978, 21741278), (1956, 10870639), (2119, 10034436), (4238, 5017218), (6357, 3344812), (8476, 2508609), (12714, 1672406), (25428, 836203)]