21748324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{5039}}^1$

素因数の和:5139

約数の個数: 24

約数和(自身を含む): 41489280

約数和(自身を除く): 19740956

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 5039, 10078, 20156, 65507, 131014, 262028, 418237, 836474, 1672948, 5437081, 10874162, 21748324]

約数ペア:

[(1, 21748324), (2, 10874162), (4, 5437081), (13, 1672948), (26, 836474), (52, 418237), (83, 262028), (166, 131014), (332, 65507), (1079, 20156), (2158, 10078), (4316, 5039)]