21031236

素因数分解:

$2^2\times 3^2\times {\mathrm{733}}^1\times {\mathrm{797}}^1$

素因数の和:1540

約数の個数: 36

約数和(自身を含む): 53301612

約数和(自身を除く): 32270376

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 733, 797, 1466, 1594, 2199, 2391, 2932, 3188, 4398, 4782, 6597, 7173, 8796, 9564, 13194, 14346, 26388, 28692, 584201, 1168402, 1752603, 2336804, 3505206, 5257809, 7010412, 10515618, 21031236]

約数ペア:

[(1, 21031236), (2, 10515618), (3, 7010412), (4, 5257809), (6, 3505206), (9, 2336804), (12, 1752603), (18, 1168402), (36, 584201), (733, 28692), (797, 26388), (1466, 14346), (1594, 13194), (2199, 9564), (2391, 8796), (2932, 7173), (3188, 6597), (4398, 4782)]