21000273842

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{3934109}}^1$

素因数の和:3934285

約数の個数: 16

約数和(自身を含む): 33565826520

約数和(自身を除く): 12565552678

約数列:

[1, 2, 17, 34, 157, 314, 2669, 5338, 3934109, 7868218, 66879853, 133759706, 617655113, 1235310226, 10500136921, 21000273842]

約数ペア:

[(1, 21000273842), (2, 10500136921), (17, 1235310226), (34, 617655113), (157, 133759706), (314, 66879853), (2669, 7868218), (5338, 3934109)]