21224272

素因数分解:

$2^4\times {\mathrm{619}}^1\times {\mathrm{2143}}^1$

素因数の和:2770

約数の個数: 20

約数和(自身を含む): 41207680

約数和(自身を除く): 19983408

約数列:

[1, 2, 4, 8, 16, 619, 1238, 2143, 2476, 4286, 4952, 8572, 9904, 17144, 34288, 1326517, 2653034, 5306068, 10612136, 21224272]

約数ペア:

[(1, 21224272), (2, 10612136), (4, 5306068), (8, 2653034), (16, 1326517), (619, 34288), (1238, 17144), (2143, 9904), (2476, 8572), (4286, 4952)]