21847353

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 33816960

約数和(自身を除く): 11969607

約数列:

[1, 3, 11, 29, 33, 37, 87, 111, 319, 407, 617, 957, 1073, 1221, 1851, 3219, 6787, 11803, 17893, 20361, 22829, 35409, 53679, 68487, 196823, 251119, 590469, 662041, 753357, 1986123, 7282451, 21847353]

約数ペア:

[(1, 21847353), (3, 7282451), (11, 1986123), (29, 753357), (33, 662041), (37, 590469), (87, 251119), (111, 196823), (319, 68487), (407, 53679), (617, 35409), (957, 22829), (1073, 20361), (1221, 17893), (1851, 11803), (3219, 6787)]