21722319

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 32460480

約数和(自身を除く): 10738161

約数列:

[1, 3, 9, 47, 89, 141, 267, 423, 577, 801, 1731, 4183, 5193, 12549, 27119, 37647, 51353, 81357, 154059, 244071, 462177, 2413591, 7240773, 21722319]

約数ペア:

[(1, 21722319), (3, 7240773), (9, 2413591), (47, 462177), (89, 244071), (141, 154059), (267, 81357), (423, 51353), (577, 37647), (801, 27119), (1731, 12549), (4183, 5193)]