21874888

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5351}}^1$

素因数の和:5437

約数の個数: 32

約数和(自身を含む): 47525760

約数和(自身を除く): 25650872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 5351, 10702, 21404, 37457, 42808, 74914, 149828, 299656, 390623, 781246, 1562492, 2734361, 3124984, 5468722, 10937444, 21874888]

約数ペア:

[(1, 21874888), (2, 10937444), (4, 5468722), (7, 3124984), (8, 2734361), (14, 1562492), (28, 781246), (56, 390623), (73, 299656), (146, 149828), (292, 74914), (511, 42808), (584, 37457), (1022, 21404), (2044, 10702), (4088, 5351)]