21286452

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1231}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 54641664

約数和(自身を除く): 33355212

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 131, 132, 262, 393, 524, 786, 1231, 1441, 1572, 2462, 2882, 3693, 4323, 4924, 5764, 7386, 8646, 13541, 14772, 17292, 27082, 40623, 54164, 81246, 161261, 162492, 322522, 483783, 645044, 967566, 1773871, 1935132, 3547742, 5321613, 7095484, 10643226, 21286452]

約数ペア:

[(1, 21286452), (2, 10643226), (3, 7095484), (4, 5321613), (6, 3547742), (11, 1935132), (12, 1773871), (22, 967566), (33, 645044), (44, 483783), (66, 322522), (131, 162492), (132, 161261), (262, 81246), (393, 54164), (524, 40623), (786, 27082), (1231, 17292), (1441, 14772), (1572, 13541), (2462, 8646), (2882, 7386), (3693, 5764), (4323, 4924)]