21183872

素因数分解:

$2^7\times {\mathrm{359}}^1\times {\mathrm{461}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 42411600

約数和(自身を除く): 21227728

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 359, 461, 718, 922, 1436, 1844, 2872, 3688, 5744, 7376, 11488, 14752, 22976, 29504, 45952, 59008, 165499, 330998, 661996, 1323992, 2647984, 5295968, 10591936, 21183872]

約数ペア:

[(1, 21183872), (2, 10591936), (4, 5295968), (8, 2647984), (16, 1323992), (32, 661996), (64, 330998), (128, 165499), (359, 59008), (461, 45952), (718, 29504), (922, 22976), (1436, 14752), (1844, 11488), (2872, 7376), (3688, 5744)]