21797696

素因数分解:

$2^6\times {\mathrm{421}}^1\times {\mathrm{809}}^1$

素因数の和:1242

約数の個数: 28

約数和(自身を含む): 43411140

約数和(自身を除く): 21613444

約数列:

[1, 2, 4, 8, 16, 32, 64, 421, 809, 842, 1618, 1684, 3236, 3368, 6472, 6736, 12944, 13472, 25888, 26944, 51776, 340589, 681178, 1362356, 2724712, 5449424, 10898848, 21797696]

約数ペア:

[(1, 21797696), (2, 10898848), (4, 5449424), (8, 2724712), (16, 1362356), (32, 681178), (64, 340589), (421, 51776), (809, 26944), (842, 25888), (1618, 13472), (1684, 12944), (3236, 6736), (3368, 6472)]