21490465678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1181}}^1\times {\mathrm{827129}}^1$

素因数の和:828323

約数の個数: 16

約数和(自身を含む): 35196035760

約数和(自身を除く): 13705570082

約数列:

[1, 2, 11, 22, 1181, 2362, 12991, 25982, 827129, 1654258, 9098419, 18196838, 976839349, 1953678698, 10745232839, 21490465678]

約数ペア:

[(1, 21490465678), (2, 10745232839), (11, 1953678698), (22, 976839349), (1181, 18196838), (2362, 9098419), (12991, 1654258), (25982, 827129)]