21054816

素因数分解:

$2^5\times 3^4\times {\mathrm{8123}}^1$

素因数の和:8145

約数の個数: 60

約数和(自身を含む): 61929252

約数和(自身を除く): 40874436

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 8123, 16246, 24369, 32492, 48738, 64984, 73107, 97476, 129968, 146214, 194952, 219321, 259936, 292428, 389904, 438642, 584856, 657963, 779808, 877284, 1169712, 1315926, 1754568, 2339424, 2631852, 3509136, 5263704, 7018272, 10527408, 21054816]

約数ペア:

[(1, 21054816), (2, 10527408), (3, 7018272), (4, 5263704), (6, 3509136), (8, 2631852), (9, 2339424), (12, 1754568), (16, 1315926), (18, 1169712), (24, 877284), (27, 779808), (32, 657963), (36, 584856), (48, 438642), (54, 389904), (72, 292428), (81, 259936), (96, 219321), (108, 194952), (144, 146214), (162, 129968), (216, 97476), (288, 73107), (324, 64984), (432, 48738), (648, 32492), (864, 24369), (1296, 16246), (2592, 8123)]