21057798

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{479}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 44789760

約数和(自身を除く): 23731962

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 431, 479, 862, 958, 1293, 1437, 2586, 2874, 7327, 8143, 14654, 16286, 21981, 24429, 43962, 48858, 206449, 412898, 619347, 1238694, 3509633, 7019266, 10528899, 21057798]

約数ペア:

[(1, 21057798), (2, 10528899), (3, 7019266), (6, 3509633), (17, 1238694), (34, 619347), (51, 412898), (102, 206449), (431, 48858), (479, 43962), (862, 24429), (958, 21981), (1293, 16286), (1437, 14654), (2586, 8143), (2874, 7327)]