21046428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44971}}^1$

素因数の和:44994

約数の個数: 36

約数和(自身を含む): 57294328

約数和(自身を除く): 36247900

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44971, 89942, 134913, 179884, 269826, 404739, 539652, 584623, 809478, 1169246, 1618956, 1753869, 2338492, 3507738, 5261607, 7015476, 10523214, 21046428]

約数ペア:

[(1, 21046428), (2, 10523214), (3, 7015476), (4, 5261607), (6, 3507738), (9, 2338492), (12, 1753869), (13, 1618956), (18, 1169246), (26, 809478), (36, 584623), (39, 539652), (52, 404739), (78, 269826), (117, 179884), (156, 134913), (234, 89942), (468, 44971)]