21553542

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 48484800

約数和(自身を除く): 26931258

約数列:

[1, 2, 3, 6, 9, 18, 47, 73, 94, 141, 146, 219, 282, 349, 423, 438, 657, 698, 846, 1047, 1314, 2094, 3141, 3431, 6282, 6862, 10293, 16403, 20586, 25477, 30879, 32806, 49209, 50954, 61758, 76431, 98418, 147627, 152862, 229293, 295254, 458586, 1197419, 2394838, 3592257, 7184514, 10776771, 21553542]

約数ペア:

[(1, 21553542), (2, 10776771), (3, 7184514), (6, 3592257), (9, 2394838), (18, 1197419), (47, 458586), (73, 295254), (94, 229293), (141, 152862), (146, 147627), (219, 98418), (282, 76431), (349, 61758), (423, 50954), (438, 49209), (657, 32806), (698, 30879), (846, 25477), (1047, 20586), (1314, 16403), (2094, 10293), (3141, 6862), (3431, 6282)]