21563874

素因数分解:

$2^1\times 3^3\times {\mathrm{103}}^1\times {\mathrm{3877}}^1$

素因数の和:3991

約数の個数: 32

約数和(自身を含む): 48397440

約数和(自身を除く): 26833566

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 103, 206, 309, 618, 927, 1854, 2781, 3877, 5562, 7754, 11631, 23262, 34893, 69786, 104679, 209358, 399331, 798662, 1197993, 2395986, 3593979, 7187958, 10781937, 21563874]

約数ペア:

[(1, 21563874), (2, 10781937), (3, 7187958), (6, 3593979), (9, 2395986), (18, 1197993), (27, 798662), (54, 399331), (103, 209358), (206, 104679), (309, 69786), (618, 34893), (927, 23262), (1854, 11631), (2781, 7754), (3877, 5562)]