21915565521

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{3091489}}^1$

素因数の和:3091648

約数の個数: 16

約数和(自身を含む): 31162219200

約数和(自身を除く): 9246653679

約数列:

[1, 3, 17, 51, 139, 417, 2363, 7089, 3091489, 9274467, 52555313, 157665939, 429716971, 1289150913, 7305188507, 21915565521]

約数ペア:

[(1, 21915565521), (3, 7305188507), (17, 1289150913), (51, 429716971), (139, 157665939), (417, 52555313), (2363, 9274467), (7089, 3091489)]