21581912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10663}}^1$

素因数の和:10703

約数の個数: 32

約数和(自身を含む): 46068480

約数和(自身を除く): 24486568

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 506, 1012, 2024, 10663, 21326, 42652, 85304, 117293, 234586, 245249, 469172, 490498, 938344, 980996, 1961992, 2697739, 5395478, 10790956, 21581912]

約数ペア:

[(1, 21581912), (2, 10790956), (4, 5395478), (8, 2697739), (11, 1961992), (22, 980996), (23, 938344), (44, 490498), (46, 469172), (88, 245249), (92, 234586), (184, 117293), (253, 85304), (506, 42652), (1012, 21326), (2024, 10663)]