21666939987

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4078099}}^1$

素因数の和:4078143

約数の個数: 32

約数和(自身を含む): 37583769600

約数和(自身を除く): 15916829613

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 5313, 4078099, 12234297, 28546693, 44859089, 85640079, 93796277, 134577267, 281388831, 314013623, 656573939, 942040869, 1031759047, 1969721817, 3095277141, 7222313329, 21666939987]

約数ペア:

[(1, 21666939987), (3, 7222313329), (7, 3095277141), (11, 1969721817), (21, 1031759047), (23, 942040869), (33, 656573939), (69, 314013623), (77, 281388831), (161, 134577267), (231, 93796277), (253, 85640079), (483, 44859089), (759, 28546693), (1771, 12234297), (5313, 4078099)]