21272042

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 35944128

約数和(自身を除く): 14672086

約数列:

[1, 2, 11, 22, 61, 121, 122, 131, 242, 262, 671, 1331, 1342, 1441, 2662, 2882, 7381, 7991, 14762, 15851, 15982, 31702, 81191, 87901, 162382, 174361, 175802, 348722, 966911, 1933822, 10636021, 21272042]

約数ペア:

[(1, 21272042), (2, 10636021), (11, 1933822), (22, 966911), (61, 348722), (121, 175802), (122, 174361), (131, 162382), (242, 87901), (262, 81191), (671, 31702), (1331, 15982), (1342, 15851), (1441, 14762), (2662, 7991), (2882, 7381)]