21959931

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 13083909

約数列:

[1, 3, 7, 21, 29, 87, 107, 203, 321, 337, 609, 749, 1011, 2247, 2359, 3103, 7077, 9309, 9773, 21721, 29319, 36059, 65163, 68411, 108177, 205233, 252413, 757239, 1045711, 3137133, 7319977, 21959931]

約数ペア:

[(1, 21959931), (3, 7319977), (7, 3137133), (21, 1045711), (29, 757239), (87, 252413), (107, 205233), (203, 108177), (321, 68411), (337, 65163), (609, 36059), (749, 29319), (1011, 21721), (2247, 9773), (2359, 9309), (3103, 7077)]