21111914

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{1319}}^1$

素因数の和:1525

約数の個数: 16

約数和(自身を含む): 32503680

約数和(自身を除く): 11391766

約数列:

[1, 2, 53, 106, 151, 302, 1319, 2638, 8003, 16006, 69907, 139814, 199169, 398338, 10555957, 21111914]

約数ペア:

[(1, 21111914), (2, 10555957), (53, 398338), (106, 199169), (151, 139814), (302, 69907), (1319, 16006), (2638, 8003)]