21472803

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{367}}^1$

素因数の和:584

約数の個数: 32

約数和(自身を含む): 34974720

約数和(自身を除く): 13501917

約数列:

[1, 3, 9, 11, 27, 33, 99, 197, 297, 367, 591, 1101, 1773, 2167, 3303, 4037, 5319, 6501, 9909, 12111, 19503, 36333, 58509, 72299, 108999, 216897, 650691, 795289, 1952073, 2385867, 7157601, 21472803]

約数ペア:

[(1, 21472803), (3, 7157601), (9, 2385867), (11, 1952073), (27, 795289), (33, 650691), (99, 216897), (197, 108999), (297, 72299), (367, 58509), (591, 36333), (1101, 19503), (1773, 12111), (2167, 9909), (3303, 6501), (4037, 5319)]