21708126

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{9967}}^1$

素因数の和:9997

約数の個数: 36

約数和(自身を含む): 51704016

約数和(自身を除く): 29995890

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 9967, 19934, 29901, 59802, 89703, 109637, 179406, 219274, 328911, 657822, 986733, 1206007, 1973466, 2412014, 3618021, 7236042, 10854063, 21708126]

約数ペア:

[(1, 21708126), (2, 10854063), (3, 7236042), (6, 3618021), (9, 2412014), (11, 1973466), (18, 1206007), (22, 986733), (33, 657822), (66, 328911), (99, 219274), (121, 179406), (198, 109637), (242, 89703), (363, 59802), (726, 29901), (1089, 19934), (2178, 9967)]