21758744

素因数分解:

$2^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1181}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 48509280

約数和(自身を除く): 26750536

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 329, 376, 392, 658, 1181, 1316, 2303, 2362, 2632, 4606, 4724, 8267, 9212, 9448, 16534, 18424, 33068, 55507, 57869, 66136, 111014, 115738, 222028, 231476, 388549, 444056, 462952, 777098, 1554196, 2719843, 3108392, 5439686, 10879372, 21758744]

約数ペア:

[(1, 21758744), (2, 10879372), (4, 5439686), (7, 3108392), (8, 2719843), (14, 1554196), (28, 777098), (47, 462952), (49, 444056), (56, 388549), (94, 231476), (98, 222028), (188, 115738), (196, 111014), (329, 66136), (376, 57869), (392, 55507), (658, 33068), (1181, 18424), (1316, 16534), (2303, 9448), (2362, 9212), (2632, 8267), (4606, 4724)]