21487428

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{25951}}^1$

素因数の和:25984

約数の個数: 36

約数和(自身を含む): 56679168

約数和(自身を除く): 35191740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 25951, 51902, 77853, 103804, 155706, 233559, 311412, 467118, 596873, 934236, 1193746, 1790619, 2387492, 3581238, 5371857, 7162476, 10743714, 21487428]

約数ペア:

[(1, 21487428), (2, 10743714), (3, 7162476), (4, 5371857), (6, 3581238), (9, 2387492), (12, 1790619), (18, 1193746), (23, 934236), (36, 596873), (46, 467118), (69, 311412), (92, 233559), (138, 155706), (207, 103804), (276, 77853), (414, 51902), (828, 25951)]