21661956

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{20749}}^1$

素因数の和:20788

約数の個数: 36

約数和(自身を含む): 56647500

約数和(自身を除く): 34985544

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 20749, 41498, 62247, 82996, 124494, 186741, 248988, 373482, 601721, 746964, 1203442, 1805163, 2406884, 3610326, 5415489, 7220652, 10830978, 21661956]

約数ペア:

[(1, 21661956), (2, 10830978), (3, 7220652), (4, 5415489), (6, 3610326), (9, 2406884), (12, 1805163), (18, 1203442), (29, 746964), (36, 601721), (58, 373482), (87, 248988), (116, 186741), (174, 124494), (261, 82996), (348, 62247), (522, 41498), (1044, 20749)]