21845517

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{1487}}^1$

素因数の和:1632

約数の個数: 16

約数和(自身を含む): 29998080

約数和(自身を除く): 8152563

約数列:

[1, 3, 59, 83, 177, 249, 1487, 4461, 4897, 14691, 87733, 123421, 263199, 370263, 7281839, 21845517]

約数ペア:

[(1, 21845517), (3, 7281839), (59, 370263), (83, 263199), (177, 123421), (249, 87733), (1487, 14691), (4461, 4897)]