21720007686

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1773641}}^1$

素因数の和:1773816

約数の個数: 32

約数和(自身を含む): 47079553248

約数和(自身を除く): 25359545562

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 157, 314, 471, 942, 2041, 4082, 6123, 12246, 1773641, 3547282, 5320923, 10641846, 23057333, 46114666, 69171999, 138343998, 278461637, 556923274, 835384911, 1670769822, 3620001281, 7240002562, 10860003843, 21720007686]

約数ペア:

[(1, 21720007686), (2, 10860003843), (3, 7240002562), (6, 3620001281), (13, 1670769822), (26, 835384911), (39, 556923274), (78, 278461637), (157, 138343998), (314, 69171999), (471, 46114666), (942, 23057333), (2041, 10641846), (4082, 5320923), (6123, 3547282), (12246, 1773641)]