21653426

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{7213}}^1$

素因数の和:7313

約数の個数: 16

約数和(自身を含む): 34627200

約数和(自身を除く): 12973774

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 7213, 14426, 137047, 274094, 569827, 1139654, 10826713, 21653426]

約数ペア:

[(1, 21653426), (2, 10826713), (19, 1139654), (38, 569827), (79, 274094), (158, 137047), (1501, 14426), (3002, 7213)]