21797136

素因数分解:

$2^4\times 3^2\times {\mathrm{229}}^1\times {\mathrm{661}}^1$

素因数の和:904

約数の個数: 60

約数和(自身を含む): 61360780

約数和(自身を除く): 39563644

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 229, 458, 661, 687, 916, 1322, 1374, 1832, 1983, 2061, 2644, 2748, 3664, 3966, 4122, 5288, 5496, 5949, 7932, 8244, 10576, 10992, 11898, 15864, 16488, 23796, 31728, 32976, 47592, 95184, 151369, 302738, 454107, 605476, 908214, 1210952, 1362321, 1816428, 2421904, 2724642, 3632856, 5449284, 7265712, 10898568, 21797136]

約数ペア:

[(1, 21797136), (2, 10898568), (3, 7265712), (4, 5449284), (6, 3632856), (8, 2724642), (9, 2421904), (12, 1816428), (16, 1362321), (18, 1210952), (24, 908214), (36, 605476), (48, 454107), (72, 302738), (144, 151369), (229, 95184), (458, 47592), (661, 32976), (687, 31728), (916, 23796), (1322, 16488), (1374, 15864), (1832, 11898), (1983, 10992), (2061, 10576), (2644, 8244), (2748, 7932), (3664, 5949), (3966, 5496), (4122, 5288)]