21392436

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137131}}^1$

素因数の和:137151

約数の個数: 24

約数和(自身を含む): 53755744

約数和(自身を除く): 32363308

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137131, 274262, 411393, 548524, 822786, 1645572, 1782703, 3565406, 5348109, 7130812, 10696218, 21392436]

約数ペア:

[(1, 21392436), (2, 10696218), (3, 7130812), (4, 5348109), (6, 3565406), (12, 1782703), (13, 1645572), (26, 822786), (39, 548524), (52, 411393), (78, 274262), (156, 137131)]