21947044

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8807}}^1$

素因数の和:8907

約数の個数: 24

約数和(自身を含む): 44392320

約数和(自身を除く): 22445276

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8807, 17614, 35228, 61649, 123298, 246596, 783823, 1567646, 3135292, 5486761, 10973522, 21947044]

約数ペア:

[(1, 21947044), (2, 10973522), (4, 5486761), (7, 3135292), (14, 1567646), (28, 783823), (89, 246596), (178, 123298), (356, 61649), (623, 35228), (1246, 17614), (2492, 8807)]