21747776

素因数分解:

$2^6\times {\mathrm{419}}^1\times {\mathrm{811}}^1$

素因数の和:1242

約数の個数: 28

約数和(自身を含む): 43312080

約数和(自身を除く): 21564304

約数列:

[1, 2, 4, 8, 16, 32, 64, 419, 811, 838, 1622, 1676, 3244, 3352, 6488, 6704, 12976, 13408, 25952, 26816, 51904, 339809, 679618, 1359236, 2718472, 5436944, 10873888, 21747776]

約数ペア:

[(1, 21747776), (2, 10873888), (4, 5436944), (8, 2718472), (16, 1359236), (32, 679618), (64, 339809), (419, 51904), (811, 26816), (838, 25952), (1622, 13408), (1676, 12976), (3244, 6704), (3352, 6488)]