21236994

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 47536632

約数和(自身を除く): 26299638

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 113, 159, 197, 226, 318, 339, 394, 477, 591, 678, 954, 1017, 1182, 1773, 2034, 3546, 5989, 10441, 11978, 17967, 20882, 22261, 31323, 35934, 44522, 53901, 62646, 66783, 93969, 107802, 133566, 187938, 200349, 400698, 1179833, 2359666, 3539499, 7078998, 10618497, 21236994]

約数ペア:

[(1, 21236994), (2, 10618497), (3, 7078998), (6, 3539499), (9, 2359666), (18, 1179833), (53, 400698), (106, 200349), (113, 187938), (159, 133566), (197, 107802), (226, 93969), (318, 66783), (339, 62646), (394, 53901), (477, 44522), (591, 35934), (678, 31323), (954, 22261), (1017, 20882), (1182, 17967), (1773, 11978), (2034, 10441), (3546, 5989)]