21205584

素因数分解:

$2^4\times 3^3\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 80

約数和(自身を含む): 61424640

約数和(自身を除く): 40219056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 191, 216, 257, 382, 432, 514, 573, 764, 771, 1028, 1146, 1528, 1542, 1719, 2056, 2292, 2313, 3056, 3084, 3438, 4112, 4584, 4626, 5157, 6168, 6876, 6939, 9168, 9252, 10314, 12336, 13752, 13878, 18504, 20628, 27504, 27756, 37008, 41256, 49087, 55512, 82512, 98174, 111024, 147261, 196348, 294522, 392696, 441783, 589044, 785392, 883566, 1178088, 1325349, 1767132, 2356176, 2650698, 3534264, 5301396, 7068528, 10602792, 21205584]

約数ペア:

[(1, 21205584), (2, 10602792), (3, 7068528), (4, 5301396), (6, 3534264), (8, 2650698), (9, 2356176), (12, 1767132), (16, 1325349), (18, 1178088), (24, 883566), (27, 785392), (36, 589044), (48, 441783), (54, 392696), (72, 294522), (108, 196348), (144, 147261), (191, 111024), (216, 98174), (257, 82512), (382, 55512), (432, 49087), (514, 41256), (573, 37008), (764, 27756), (771, 27504), (1028, 20628), (1146, 18504), (1528, 13878), (1542, 13752), (1719, 12336), (2056, 10314), (2292, 9252), (2313, 9168), (3056, 6939), (3084, 6876), (3438, 6168), (4112, 5157), (4584, 4626)]