21716994

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{547}}^1$

素因数の和:1074

約数の個数: 32

約数和(自身を含む): 46952640

約数和(自身を除く): 25235646

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 509, 547, 1018, 1094, 1527, 1641, 3054, 3282, 6617, 7111, 13234, 14222, 19851, 21333, 39702, 42666, 278423, 556846, 835269, 1670538, 3619499, 7238998, 10858497, 21716994]

約数ペア:

[(1, 21716994), (2, 10858497), (3, 7238998), (6, 3619499), (13, 1670538), (26, 835269), (39, 556846), (78, 278423), (509, 42666), (547, 39702), (1018, 21333), (1094, 19851), (1527, 14222), (1641, 13234), (3054, 7111), (3282, 6617)]