21918384

素因数分解:

$2^4\times 3^3\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:579

約数の個数: 80

約数和(自身を含む): 63612000

約数和(自身を除く): 41693616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 113, 144, 216, 226, 339, 432, 449, 452, 678, 898, 904, 1017, 1347, 1356, 1796, 1808, 2034, 2694, 2712, 3051, 3592, 4041, 4068, 5388, 5424, 6102, 7184, 8082, 8136, 10776, 12123, 12204, 16164, 16272, 21552, 24246, 24408, 32328, 48492, 48816, 50737, 64656, 96984, 101474, 152211, 193968, 202948, 304422, 405896, 456633, 608844, 811792, 913266, 1217688, 1369899, 1826532, 2435376, 2739798, 3653064, 5479596, 7306128, 10959192, 21918384]

約数ペア:

[(1, 21918384), (2, 10959192), (3, 7306128), (4, 5479596), (6, 3653064), (8, 2739798), (9, 2435376), (12, 1826532), (16, 1369899), (18, 1217688), (24, 913266), (27, 811792), (36, 608844), (48, 456633), (54, 405896), (72, 304422), (108, 202948), (113, 193968), (144, 152211), (216, 101474), (226, 96984), (339, 64656), (432, 50737), (449, 48816), (452, 48492), (678, 32328), (898, 24408), (904, 24246), (1017, 21552), (1347, 16272), (1356, 16164), (1796, 12204), (1808, 12123), (2034, 10776), (2694, 8136), (2712, 8082), (3051, 7184), (3592, 6102), (4041, 5424), (4068, 5388)]