15721421148

素因数分解:

$2^2\times 3^2\times {\mathrm{349}}^1\times {\mathrm{1251307}}^1$

素因数の和:1251666

約数の個数: 36

約数和(自身を含む): 39854159800

約数和(自身を除く): 24132738652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 349, 698, 1047, 1396, 2094, 3141, 4188, 6282, 12564, 1251307, 2502614, 3753921, 5005228, 7507842, 11261763, 15015684, 22523526, 45047052, 436706143, 873412286, 1310118429, 1746824572, 2620236858, 3930355287, 5240473716, 7860710574, 15721421148]

約数ペア:

[(1, 15721421148), (2, 7860710574), (3, 5240473716), (4, 3930355287), (6, 2620236858), (9, 1746824572), (12, 1310118429), (18, 873412286), (36, 436706143), (349, 45047052), (698, 22523526), (1047, 15015684), (1396, 11261763), (2094, 7507842), (3141, 5005228), (4188, 3753921), (6282, 2502614), (12564, 1251307)]