21019068

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27803}}^1$

素因数の和:27823

約数の個数: 48

約数和(自身を含む): 62280960

約数和(自身を除く): 41261892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27803, 55606, 83409, 111212, 166818, 194621, 250227, 333636, 389242, 500454, 583863, 750681, 778484, 1000908, 1167726, 1501362, 1751589, 2335452, 3002724, 3503178, 5254767, 7006356, 10509534, 21019068]

約数ペア:

[(1, 21019068), (2, 10509534), (3, 7006356), (4, 5254767), (6, 3503178), (7, 3002724), (9, 2335452), (12, 1751589), (14, 1501362), (18, 1167726), (21, 1000908), (27, 778484), (28, 750681), (36, 583863), (42, 500454), (54, 389242), (63, 333636), (84, 250227), (108, 194621), (126, 166818), (189, 111212), (252, 83409), (378, 55606), (756, 27803)]