21751686

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^2\times {\mathrm{3329}}^1$

素因数の和:3362

約数の個数: 48

約数和(自身を含む): 53146800

約数和(自身を除く): 31395114

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 121, 198, 242, 297, 363, 594, 726, 1089, 2178, 3267, 3329, 6534, 6658, 9987, 19974, 29961, 36619, 59922, 73238, 89883, 109857, 179766, 219714, 329571, 402809, 659142, 805618, 988713, 1208427, 1977426, 2416854, 3625281, 7250562, 10875843, 21751686]

約数ペア:

[(1, 21751686), (2, 10875843), (3, 7250562), (6, 3625281), (9, 2416854), (11, 1977426), (18, 1208427), (22, 988713), (27, 805618), (33, 659142), (54, 402809), (66, 329571), (99, 219714), (121, 179766), (198, 109857), (242, 89883), (297, 73238), (363, 59922), (594, 36619), (726, 29961), (1089, 19974), (2178, 9987), (3267, 6658), (3329, 6534)]