21700316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 44368128

約数和(自身を除く): 22667812

約数列:

[1, 2, 4, 11, 22, 23, 41, 44, 46, 82, 92, 164, 253, 451, 506, 523, 902, 943, 1012, 1046, 1804, 1886, 2092, 3772, 5753, 10373, 11506, 12029, 20746, 21443, 23012, 24058, 41492, 42886, 48116, 85772, 132319, 235873, 264638, 471746, 493189, 529276, 943492, 986378, 1972756, 5425079, 10850158, 21700316]

約数ペア:

[(1, 21700316), (2, 10850158), (4, 5425079), (11, 1972756), (22, 986378), (23, 943492), (41, 529276), (44, 493189), (46, 471746), (82, 264638), (92, 235873), (164, 132319), (253, 85772), (451, 48116), (506, 42886), (523, 41492), (902, 24058), (943, 23012), (1012, 21443), (1046, 20746), (1804, 12029), (1886, 11506), (2092, 10373), (3772, 5753)]