21361968

素因数分解:

$2^4\times 3^4\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 100

約数和(自身を含む): 63196848

約数和(自身を除く): 41834880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 53, 54, 72, 81, 106, 108, 144, 159, 162, 212, 216, 311, 318, 324, 424, 432, 477, 622, 636, 648, 848, 933, 954, 1244, 1272, 1296, 1431, 1866, 1908, 2488, 2544, 2799, 2862, 3732, 3816, 4293, 4976, 5598, 5724, 7464, 7632, 8397, 8586, 11196, 11448, 14928, 16483, 16794, 17172, 22392, 22896, 25191, 32966, 33588, 34344, 44784, 49449, 50382, 65932, 67176, 68688, 98898, 100764, 131864, 134352, 148347, 197796, 201528, 263728, 296694, 395592, 403056, 445041, 593388, 791184, 890082, 1186776, 1335123, 1780164, 2373552, 2670246, 3560328, 5340492, 7120656, 10680984, 21361968]

約数ペア:

[(1, 21361968), (2, 10680984), (3, 7120656), (4, 5340492), (6, 3560328), (8, 2670246), (9, 2373552), (12, 1780164), (16, 1335123), (18, 1186776), (24, 890082), (27, 791184), (36, 593388), (48, 445041), (53, 403056), (54, 395592), (72, 296694), (81, 263728), (106, 201528), (108, 197796), (144, 148347), (159, 134352), (162, 131864), (212, 100764), (216, 98898), (311, 68688), (318, 67176), (324, 65932), (424, 50382), (432, 49449), (477, 44784), (622, 34344), (636, 33588), (648, 32966), (848, 25191), (933, 22896), (954, 22392), (1244, 17172), (1272, 16794), (1296, 16483), (1431, 14928), (1866, 11448), (1908, 11196), (2488, 8586), (2544, 8397), (2799, 7632), (2862, 7464), (3732, 5724), (3816, 5598), (4293, 4976)]