21847910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16427}}^1$

素因数の和:16460

約数の個数: 32

約数和(自身を含む): 47312640

約数和(自身を除く): 25464730

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 16427, 32854, 82135, 114989, 164270, 229978, 312113, 574945, 624226, 1149890, 1560565, 2184791, 3121130, 4369582, 10923955, 21847910]

約数ペア:

[(1, 21847910), (2, 10923955), (5, 4369582), (7, 3121130), (10, 2184791), (14, 1560565), (19, 1149890), (35, 624226), (38, 574945), (70, 312113), (95, 229978), (133, 164270), (190, 114989), (266, 82135), (665, 32854), (1330, 16427)]