21462795

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 39424320

約数和(自身を除く): 17961525

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 89, 115, 207, 233, 267, 345, 445, 699, 801, 1035, 1165, 1335, 2047, 2097, 3495, 4005, 5359, 6141, 10235, 10485, 16077, 18423, 20737, 26795, 30705, 48231, 62211, 80385, 92115, 103685, 186633, 241155, 311055, 476951, 933165, 1430853, 2384755, 4292559, 7154265, 21462795]

約数ペア:

[(1, 21462795), (3, 7154265), (5, 4292559), (9, 2384755), (15, 1430853), (23, 933165), (45, 476951), (69, 311055), (89, 241155), (115, 186633), (207, 103685), (233, 92115), (267, 80385), (345, 62211), (445, 48231), (699, 30705), (801, 26795), (1035, 20737), (1165, 18423), (1335, 16077), (2047, 10485), (2097, 10235), (3495, 6141), (4005, 5359)]