2021605887

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{281}}^1\times {\mathrm{449}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 3182652000

約数和(自身を除く): 1161046113

約数列:

[1, 3, 7, 21, 49, 109, 147, 281, 327, 449, 763, 843, 1347, 1967, 2289, 3143, 5341, 5901, 9429, 13769, 16023, 22001, 30629, 41307, 48941, 66003, 91887, 126169, 146823, 214403, 342587, 378507, 643209, 883183, 1027761, 1500821, 2398109, 2649549, 4502463, 6182281, 7194327, 13752421, 18546843, 41257263, 96266947, 288800841, 673868629, 2021605887]

約数ペア:

[(1, 2021605887), (3, 673868629), (7, 288800841), (21, 96266947), (49, 41257263), (109, 18546843), (147, 13752421), (281, 7194327), (327, 6182281), (449, 4502463), (763, 2649549), (843, 2398109), (1347, 1500821), (1967, 1027761), (2289, 883183), (3143, 643209), (5341, 378507), (5901, 342587), (9429, 214403), (13769, 146823), (16023, 126169), (22001, 91887), (30629, 66003), (41307, 48941)]