21340068

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 51389184

約数和(自身を除く): 30049116

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 157, 188, 241, 282, 314, 471, 482, 564, 628, 723, 942, 964, 1446, 1884, 2892, 7379, 11327, 14758, 22137, 22654, 29516, 33981, 37837, 44274, 45308, 67962, 75674, 88548, 113511, 135924, 151348, 227022, 454044, 1778339, 3556678, 5335017, 7113356, 10670034, 21340068]

約数ペア:

[(1, 21340068), (2, 10670034), (3, 7113356), (4, 5335017), (6, 3556678), (12, 1778339), (47, 454044), (94, 227022), (141, 151348), (157, 135924), (188, 113511), (241, 88548), (282, 75674), (314, 67962), (471, 45308), (482, 44274), (564, 37837), (628, 33981), (723, 29516), (942, 22654), (964, 22137), (1446, 14758), (1884, 11327), (2892, 7379)]