21146940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39161}}^1$

素因数の和:39179

約数の個数: 48

約数和(自身を含む): 65792160

約数和(自身を除く): 44645220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39161, 78322, 117483, 156644, 195805, 234966, 352449, 391610, 469932, 587415, 704898, 783220, 1057347, 1174830, 1409796, 1762245, 2114694, 2349660, 3524490, 4229388, 5286735, 7048980, 10573470, 21146940]

約数ペア:

[(1, 21146940), (2, 10573470), (3, 7048980), (4, 5286735), (5, 4229388), (6, 3524490), (9, 2349660), (10, 2114694), (12, 1762245), (15, 1409796), (18, 1174830), (20, 1057347), (27, 783220), (30, 704898), (36, 587415), (45, 469932), (54, 391610), (60, 352449), (90, 234966), (108, 195805), (135, 156644), (180, 117483), (270, 78322), (540, 39161)]