21334542

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 43959552

約数和(自身を除く): 22625010

約数列:

[1, 2, 3, 6, 67, 73, 134, 146, 201, 219, 402, 438, 727, 1454, 2181, 4362, 4891, 9782, 14673, 29346, 48709, 53071, 97418, 106142, 146127, 159213, 292254, 318426, 3555757, 7111514, 10667271, 21334542]

約数ペア:

[(1, 21334542), (2, 10667271), (3, 7111514), (6, 3555757), (67, 318426), (73, 292254), (134, 159213), (146, 146127), (201, 106142), (219, 97418), (402, 53071), (438, 48709), (727, 29346), (1454, 14673), (2181, 9782), (4362, 4891)]