21417856

素因数分解:

$2^7\times {\mathrm{149}}^1\times {\mathrm{1123}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 42993000

約数和(自身を除く): 21575144

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 149, 298, 596, 1123, 1192, 2246, 2384, 4492, 4768, 8984, 9536, 17968, 19072, 35936, 71872, 143744, 167327, 334654, 669308, 1338616, 2677232, 5354464, 10708928, 21417856]

約数ペア:

[(1, 21417856), (2, 10708928), (4, 5354464), (8, 2677232), (16, 1338616), (32, 669308), (64, 334654), (128, 167327), (149, 143744), (298, 71872), (596, 35936), (1123, 19072), (1192, 17968), (2246, 9536), (2384, 8984), (4492, 4768)]