21828585

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 14096535

約数列:

[1, 3, 5, 15, 83, 89, 197, 249, 267, 415, 445, 591, 985, 1245, 1335, 2955, 7387, 16351, 17533, 22161, 36935, 49053, 52599, 81755, 87665, 110805, 245265, 262995, 1455239, 4365717, 7276195, 21828585]

約数ペア:

[(1, 21828585), (3, 7276195), (5, 4365717), (15, 1455239), (83, 262995), (89, 245265), (197, 110805), (249, 87665), (267, 81755), (415, 52599), (445, 49053), (591, 36935), (985, 22161), (1245, 17533), (1335, 16351), (2955, 7387)]