21003094372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{673}}^1\times {\mathrm{1609}}^1$

素因数の和:2672

約数の個数: 48

約数和(自身を含む): 39772551280

約数和(自身を除く): 18769456908

約数列:

[1, 2, 4, 13, 26, 52, 373, 673, 746, 1346, 1492, 1609, 2692, 3218, 4849, 6436, 8749, 9698, 17498, 19396, 20917, 34996, 41834, 83668, 251029, 502058, 600157, 1004116, 1082857, 1200314, 2165714, 2400628, 3263377, 4331428, 6526754, 7802041, 13053508, 14077141, 15604082, 28154282, 31208164, 56308564, 403905661, 807811322, 1615622644, 5250773593, 10501547186, 21003094372]

約数ペア:

[(1, 21003094372), (2, 10501547186), (4, 5250773593), (13, 1615622644), (26, 807811322), (52, 403905661), (373, 56308564), (673, 31208164), (746, 28154282), (1346, 15604082), (1492, 14077141), (1609, 13053508), (2692, 7802041), (3218, 6526754), (4849, 4331428), (6436, 3263377), (8749, 2400628), (9698, 2165714), (17498, 1200314), (19396, 1082857), (20917, 1004116), (34996, 600157), (41834, 502058), (83668, 251029)]