21154616

素因数分解:

$2^3\times 7^1\times {\mathrm{377761}}^1$

素因数の和:377774

約数の個数: 16

約数和(自身を含む): 45331440

約数和(自身を除く): 24176824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 377761, 755522, 1511044, 2644327, 3022088, 5288654, 10577308, 21154616]

約数ペア:

[(1, 21154616), (2, 10577308), (4, 5288654), (7, 3022088), (8, 2644327), (14, 1511044), (28, 755522), (56, 377761)]