21855616

素因数分解:

$2^7\times {\mathrm{73}}^1\times {\mathrm{2339}}^1$

素因数の和:2426

約数の個数: 32

約数和(自身を含む): 44155800

約数和(自身を除く): 22300184

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 146, 292, 584, 1168, 2336, 2339, 4672, 4678, 9344, 9356, 18712, 37424, 74848, 149696, 170747, 299392, 341494, 682988, 1365976, 2731952, 5463904, 10927808, 21855616]

約数ペア:

[(1, 21855616), (2, 10927808), (4, 5463904), (8, 2731952), (16, 1365976), (32, 682988), (64, 341494), (73, 299392), (128, 170747), (146, 149696), (292, 74848), (584, 37424), (1168, 18712), (2336, 9356), (2339, 9344), (4672, 4678)]