21834463

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 25634880

約数和(自身を除く): 3800417

約数列:

[1, 7, 53, 229, 257, 371, 1603, 1799, 12137, 13621, 58853, 84959, 95347, 411971, 3119209, 21834463]

約数ペア:

[(1, 21834463), (7, 3119209), (53, 411971), (229, 95347), (257, 84959), (371, 58853), (1603, 13621), (1799, 12137)]